I have researched and found 2,000+ separatist movements full 3897 flags that have ever existed, The Intensively Ultimate with only around ~900 having been documented on Wikipedia's "Lists of active separatist movements" "Community", previously or presently.

Alphabetical order A-Z, total 1,???

Nations
Salento
Commonwealth
Lakistan
Oliventinos
Agaw
Nenets
Sallands
Eastern Highland people
Ngäbe
Puelche
Nuevomexicanos
Béarnese people
Nahua
Chimbu people
Ket (Better flag needed)
Lombards
Ligurians
Campanians
Calabrians
Pontic Greeks
Cascadia
Navarre
Ilirida
Minahasa
Balkaria
Doric Scots
Romansh
Muscovites
Auvergnats
Ventimigliesi
Genoese
Comaschi
Münchners
Transylvanian Saxons
North Schleswig Germans
Danube Swabians
Cajuns
Mayennais
Siddi
Jul'hoan
Bole
Florentines
Batak people
Brigasc
Bildts
Bostonians
Lega
Kanagawa
Kanuri
Thuringians
Trevians
Hunsriks
Eupeners
Eastphalians
Vogtlandians
Volga Germans
Elbani
Swabians
Eastern Belgians
Utrechters
Northern Sotho
Kwanyama
Colognians
Sydneysiders
Nama
Orléanais
Nizhny people
Perm
Damara people
Moriori people
Manus islanders
Adnyamathanha
Danu people
Kutchi people
Konjo people
Tiv people
Soga people
Ganda people
Mbunda people
Nyoro people
Yoruba people
Kikuyu people
Kongo people
Itelmens
Hispanics
Conlang
Provençals
Anglesey
Galápagos Islands
Xinjiang-Shicai
Kagawa people
South Brabantians
Walloon Brabantians
Urban Council
Matabeleland
Meath
Kagoshimans
Novorossiya (possibly)
Federal Dependencies (Venezuelans, alt)
Pensylvanians (possibly)
Chin people
Biharis of Bangladesh
Yenish people
Hungarian Roma
Czech Silesians
Monternegrin Albanians
Selkups
Tripuris
Limbu people
Intha people
Apalachee people
Raizal people
Hessians
Hallisch
Franconians
Zaans
Amelanders
Dauphinois
South Hollanders
Corfiot Italians
Drents
Westphalians
Aalst EDIT
Aari EDIT
Aargau
Ababda
Abazinia
Abellen language
Abenaki
Abenaki
Abkhazia
Abkhazia - Turkey
Aboriginal Australians
Aboriginals - Euahlayi People's Republic
Aboriginals - Mbarbaram Nation ❌
Aboriginals - Murrawarri Republic
Aboriginals - Tiwi Islands, NT EDIT
Aboriginals - Wiradjuri Central West Republic, NSW/QLD part
Abruzzo
Acadia
Aceh
Acholiland
Acre
Aden
Adhola
Adjara
Adjara/ Batum EDIT
Aegean/ Greek Macedonia
Afar
Afar - Djibouti
Afar - Eritrea
Afrikaners - Volkstaat
Afrikaners - Kleinfontein
Afrikaners - Orania
Afrikaners - Stellaland
Afshar tribe
Afshar Turks
Agulistan
Ahmadiyya
Ainu
Ainu - Kuriles and Sakhalin
Akha people
Akha - Myanmar
Akha - Thailand
Akhzivland
Akrotiri and Dhekelia
Al-Hassa
Al-Rafidain Autonomous Region (Sinjar Resistance Units)
Aland
Alaska
Alaska - North Slope ❌
Alaska - Yupik
Alawite/ Latakia EDIT
Albay EDIT
Alberta
Aleut - Alaska
Alevi
Algarves
Alsace - Alsace-Lorraine
Alsace - Alsace
Alsace - Bas-Rhin
Alsace - Lorraine
Alsace - Strasbourg
Altai
Altense/ Quetzaltenango
Alur
Alur - Uganda
Amapa
Amazonas EDIT
Amazonia
Ambaland
Amdowa
Amhara
Amsterdam
Andalusians
Andalusia
Andalusia - Almeria province
Andalusia - East Andalusia
Andalusia - Grenada province
Andi-Tsez
Andijan Kyrgyz State
Andino
Anguilla
Anishinabe
Anishinabe
Anishinabe - Ontario
Anjouan
Ankole
Annobon
Antioquia Greater
Antioquia EDIT
Anuak - Gambela EDIT
Anuak: Sudan
Anya-Nya/ Anyanya
Anyi - Sanwi EDIT
Anyi - Sefwi
Aosta Valley EDIT
Apache
West Virginia
Apulia EDIT
Aquitaine EDIT
Arabistan
Aragonese people
Aragon
Arakan
Arameans
Arameans - Lebanon
Arapaho
Arequipa EDIT
Arica
Arizona - Baja Arizona
Arkhangelsk
Aromanians EDIT
Aromanians - Greece EDIT
Artibonite
Artsakh
Aruba
Arunachal/ Teola
Ascension EDIT
Ashantiland
Ashmore and Cartier Islands
Asir
Askhali
Assam
Assam - Bodoland
Assam - Karbistan
Assyria
Assyria - Muslim minority
Astrakhan Tatar EDIT
Asturias EDIT
Atacama
Athabaskan
Atlantium
Avaristan
Avaristan - Zaqatala
Awa
Aymara
Azande
Azania/ South African Blacks
Azawad
Azores EDIT
Aztlan/ Chicanos
Azuay EDIT
Badakhshan - Gorno-Badakhshan EDIT
Badakhshan - Wakhan Corridor
Bafokeng EDIT
Bahai EDIT
Bahia
Bahia SE - Santa Cruz
Bai
Baja California
Bakassi
Bakhtiari
Bakongo - Kongo/ Central Congo (except Cabinda)
Bakongo: Kongo Kingdom (claims Cabinda too)
Balawaristan
Balearic Islands
Balearic Islands - Mallorca
Bali EDIT
Balkan Turk - Thrace East, Turkey EDIT
Balkan Turk - Bulgarian Turks
Balochistan
Balochistan West
Bamileke EDIT
Banaba Island
Banat
Bangabhumi
Bangabhumi
Bangsamoro
Bangsamoro - Lanao del Sur
Bangsamoro - Sulu/ Bangsa Sug
Bangsamoro Republik (maximum claim)
Banyoro
Baranya Hungarians
Barbuda
Barotseland
Baruuli-Banyala
Bashkortostan
Basilan
Basoga
Basque Country
Basque Country North (France)
Basque Navarre
Basra EDIT
Basterland
Batoro
Batwaland
Bavaria
Bavaria - Franconia
Bayan-Ölgii Kazakhs
Bayati Turk
BC - British Columbia
BC: Haida Gwaii
BC: Vancouver Island EDIT
Belgium Flanders
Belgium Wallonia
Beja
Beja - Eastern Front
Beja - Rashaida
Belarus Democratic Republic - 4 RU Oblasts
Bellah people ❌
Belle Isle - Detroit MICRONATION❌
Bemba
Bengalis in Barak Valley (Assam), Tripura ❌
Benishangul-Gumuz
Berbers
Berkshire
Bermuda
Berwick-upon-Tweed
Besermyan
Bessarabia/ Bujak EDIT
Bete/ Eburnie
Bhilistan
Bhutia - Sikkim
Bhutia - outside Sikkim
Biafra
Bicol EDIT
Bioko
Bir Tawil/ Birland
BjornSocialistiska Republiken MICRONATION❌
Blackfoot
Blackfoot
Blagoevgrad Province/ Macedonians in Bulgaria EDIT
National Democratic Front of Bodoland
Bohol
Bohuslän
Bonaire
Borchali - Karapapak Turks
Bougainville
Boyaca
Brabant
Brahuistan/ Kalat
Brasilia
Brittany
Brittany - Pays de la Loire
Bru/ Reang SIMILAR FLAG
Brussels
Bubi - Bioko
Buffalo River Dene Nation
Buganda
Bugkalot
Bukhara
Bukharan Jews
Bukovina
Burgenland Croats EDIT
Burgundy (Bourgogne)
Burgundy - Franche-Comté
Buryatia
Buryatia Agin
Buryatia Ust-Orda
Bushongo/ Nyim Bushoong
Büsingen am Hochrhein - Dörflingen Village, to Germany/ Swabia
Busongora
Bwamba
Cabinda
Cagayan EDIT
California EDIT
California - Coastal California
California - South California
Camba/ Santa Cruz
Canary Islands
Cantabria
Cantonia
Canvey Island, Essex
Cape
Cape Republic EDIT
Capixaba/ Espírito Santo EDIT
Caribe, Colombia
Carinthian Slovenes
Casamance
Castile
Castile: Madrid
Catalonia
Catalonia North/ Roussillon
Cauca Valley
Cayman Islands (EDIT)
Ceara
Cebu/ Visayas EDIT
Celtic Union EDIT
Chaamba
Chaco
Chacomas
Chaggaland
Chagossia
Chaldean
Chameria
Chamorro - Guam
Chamorro - Northern Marianas
Champa
Champagne
Champagne - Ardennes
Chaouia
Chapaco - Tarija EDIT
Chatham Islands
Chattanooga Tennessee
CHAZ EDIT
Chechnya
Chenouas
Chernozemye/ Black Earth Republic
Cherokee
Cherokee: Eastern Band, North Carolina
Chiapas EDIT
Chickasaw
Chihuahua
Chiloe EDIT
Chinese muslims
Chiquitania
Chiriqui
Chittagong Hills
Chittagong Hills - Chakma EDIT
Choco/ Barule
Choctaw
Christmas Island
Chuanlan
Chuanqing/ Guizhou
Chukotka/ Chukchi
Chulym
Chuuk
Chuvashia
Cincinnati Ohio
Circassia - Adygea
Clipperton Island (FICTIONAL)
Colorado - North Colorado EDIT
Comanche EDIT
Comanche EDIT
Cook Islands/ Rarotonga
Coptica EDIT
Coral Sea Islands (Micronation) EDIT
Cordillera
Cordillera/ Igorot EDIT
Cork - People’s Republic of Cork (JOKE MICRONATION?) ❌
Cornwall
Cornwall - Isles of Scilly
Corrientes EDIT
Corsica
Córdobeses
Cree
Crete
Crimea, Ukraine
Sevastopol, Crimea, Ukraine
Crimean Karaites
Crimean Tatars, Ukraine
Crimean Tatars - Dobruja EDIT
Crow
Crow
Csango
Cumbria
Curacao
Cyrenaica
Dagara
Dagestan
Dagomba
Daia - Dai
Daia: Sipsong Panna - Yunnan South Auto Pref
Dalmatia EDIT
Dalmatia - Italians
Dardania
Dar El Kuti
Darfur
Darginistan EDIT
Daur
Daza
Decca
Deori
Detroit
Devon
Dhofar EDIT
Dimasaland
Dinka
Dir
Diyala
Dnepropetrovsk PR
Dobruja EDIT
Dobruja - South Dobruja EDIT
Dodecanese
Dodurga EDIT
Dolgan
Dominion of British West Florida
Domodedovo EDIT
Don Cossacks
Donetsk PR
Dong
Donxiang/ Satarkhan
Dorset
Dravida Nadu
Druze
Druze - Israel
Dungan
Durango EDIT
East Anglia EDIT
East Belgium Germans - Eupen-Malmedy
East Germany revivalists
East Guiana/ French Guiana
East Samoa/ American Samoa EDIT
Easter Island - Rapa Nui
Eastern Arabia/ Al-Hassa
Eastern Mongolia
Edoland/ "Republic of Benin", Biafra
Eindhoven, North Brabant
Elleore MICRONATION
Emilia-Romagna - Emilia
Emilia-Romagna - Romagna
Enga
Emirate of Asturias
England
Erzya EDIT
Essex
Evenkia
Ewe
Ewe - West Togoland
Extremadura
Falkland Islands/ "Islas Malvinas" EDIT
Faroe Islands
Fezzan EDIT
Filettino MICRONATION
Flanders
Flanders - French Flanders EDIT
Flores
Florida EDIT
Florida - Conch Republic MICRONATION
Florida - North Florida ❌
Florida - South Florida EDIT
Freetown Christiania MICRONATION
Frisia
Frisia - Groningen
Frisia - East Frisia
Frisia - North Frisia
Friuli
Friuli - Carnia
Friuli - Trieste EDIT
Fujian/ Hokkien
Fujian - Min Chinese
Fulani
Gagauzia
Galicia
Galmudug
Galmudug - Habar Gidir subclan EDIT
Ganga Lohit Desha
Garhwal, in Uttarakhand EDIT
Garifuna EDIT
Garoland
Gascony
Gelao
Geneva EDIT
German-speaking community in Belgium
Gibraltar EDIT
Gilaks - Gilan
Giula/Gyula - Romanians in Hungary
Glacier Republic MICRONATION
Goias
Gokchai-Zangezur Turks
Golan Heights ❌
Gondwana, India
Gorani EDIT
Gorals/ Polish Highlanders
Goust, Laruns EDIT
Gozo
Grebo
Greenland
Griqua people
Guadeloupe EDIT
Guam
Guanacaste EDIT
Guarani
Guarani - Brazil EDIT
Guayas
Guaycuru
Guernsey
Guernsey - Alderney
Guernsey - Sark
Guerrero EDIT
Guiana
Guna Yala
Gurkhaland
Gurung/ Tamuwan
Hadiya
Hainan - Li
Hainan - Miao
Hajong
Hakka
Hamshen Armenians
Hani
Hatay EDIT
Hausa people
Hawaii EDIT
Hawaii - Polynesian Kingdom of Atooi
Hawar Islands
Hazara people
Hazaristan
Hazaristan - Pakistan EDIT
Hazarajat
Heard Island McDonald Islands
Hejaz
Hela
Hereroland
Heru
Herzeg-Bosnia Croats
Herzegovina/ Bosniaks
Hidalgo
Himan and Heeb
Hiran (in Hirshabelle)
Hmarram
Hmong
Ho-chunk
Ho-chunk
Hokkaido
Hokkien - Hoklo Taiwanese (or reunification of Taiwan or Kinmen w/ Southern Fujian) EDIT
Honam/ Jeolla
Hong Kong EDIT
Hopi
Hopi
Huasteca
Huasteca
Hui/ Ningxia
Hunan/ Xiangia/ Fuhsiangria
Hunza/ Burusho EDIT
Ibibio/ Efik/ Ibom EDIT
Icaria - North Aegean
Idel-Ural
Idomaland
Igbo people
Illinois EDIT
Illinois - Chicago EDIT
Illinois - Forgottonia
Illyrida
Iloilo
Ingria
Ingushetia
Inner Mongolia
Innu/ Nitassinan
Inuit - 'Eskimos' - Alaska
Inuit: Inuvialuit (Yukon & NWT)
Inuit: Inuvialuit (Yukon & NWT)
Inuit: Inuvik - NWT EDIT
Inuit: Nunatsiavut - Labrador West
Inuit: NunatuKavut - Labrador East
Inuit: Nunavik - Quebec
Inuit: Nunavut
Ionia/ Corfu EDIT
Iroquois
Iroquois/ Mohawk - Gitxsan & Wet'suwet'en, BC (Mohawk Warrior Flag)
Isan
Isle of Man/ Ellan Vannin
Isle of Wight
Istria EDIT
Istria - Italians EDIT
Istria - Morlaks/ Mavrolachians
Istria - Romanians
Iteso (IDENTICAL FLAG)
Itneg
Itsekiri
Jain EDIT
Jamtland (ALSO MICRONATION)
Java - East Java EDIT
Javakheti
Jeberti
Jefferson
Jefferson - Republic/ Siskiyou County EDIT
Jeju Island
Jersey (Channel Islands)
Jerusalem - Neutral/ Free Jerusalem
Jiangnan/ Wuyue Country
Jiangxi/ Gan Republic
Jimma
Jinland/ Shanxi
Johor EDIT
Jonam
Jubaland
Juhuro (Mountain Jews in the Caucasus)
Jungholz, to Bavaria EDIT
Jura
Kabardino-Balkaria - Balkaria
Kabardino-Balkaria - Kabardia
Krasnosilka (Güldendorf) PR
Kabylia
Kachin EDIT
Kachin - Jingpo-Kachin
Kachin People
Kaffa
Kainuu/ Kajanaland
Kajkavian "Country"/ to Slovenia CUSTOM FLAG
Kaliakh Kwaan Tlinglit Nation
Kaliningrad/ Baltia/ East Prussia EDIT
Kalmykia
Kamtapur - Koch
Kamtapur: Rajbangsi (also Bangladesh parts) SIMILAR FLAG
Kanak (New Caledonia)
Kankanaey
Kansasland
Kanuri EDIT
Kapampangan
Kapok (Cantonese nationalism)
Karachay-Cherkessia - Karachays
Karachay: Karachay-Balkaria Joint EDIT
Karachi - Muhajir, South Sindh (Free Karachi Movement?)
Karachi - Republic of Jinnahpur
Karagash people
Karakalpakstan
Karakorum Turks
Karbi people
Karelia
Karelia - Vepsia EDIT
Karen
Karenni
Karnataka EDIT
Karnataka: Kodava
Kasai EDIT
Kashmir
Kashmir - Azad Kashmir
Kashmir - Dogra
Kashmir - Gilgit-Baltistan/ Balawaristan EDIT
Kashmir - Ladakh
Kashmir - Pandit
Katanga
Katanga - Lualaba
Kayan/ Padaung
Kazembe / Kazemba-Lunda
Kazkazini/ South Somalia (in NE Kenya) EDIT
Kelantan EDIT
Kerala - Malayali EDIT
Kernow/Cornish (Celtic nation)
Khaatumo
Kewri/ Haratin EDIT
Khakassia EDIT
Khalaj EDIT
Khalistan movement
Khambuwan/ Rai
Khanty-Mansi/ Yugra
Kharkiv PR
Khasiland
Kherson PR
Khiva/ Chorasmia
Khmer Krom EDIT
Khmu
Kho/ Chitral
Khoisan
Khorasan/ Aimaq
Khorasani Turk EDIT
Kikuyu
Kirat
Kirovograd
Kivu
Kohistan
Kolla/Omaguaca (in Jujuy)
Komi (Republic)
Komi-Permyak
Kooki
Kordofan EDIT
Koreans
Koryakia
Kosal (Kosli, western Odisha)
Kosovo
Kotor Bay - Albanians
Kraja/ Albanians in Montenegro
Krajina Serbs/ SAO Krajina
Kresy - Poles in Borderlands - Belarus, Lithuania, Ukraine
Krivichi - Belarus
Krivichi - Tver Oblast EDIT
Kryashen EDIT
Kuban Cossacks EDIT
Kumykia
Kumyks
Kunama
Kurdistan - Greater Kurdistan
Kurdistan South - Iraq
Kurdistan East - Iran
Kurdistan North - Turkey
Kurdistan Rojava - Syria
Küresünni
Kvenland (Finns)
L'Anse-Saint-Jean MICRONATION
La Mancha/ Manchego
Labuan
Ladinia
Lado EDIT
Ladonia/ Royal Republic of Ladonia
Lahu
Lakotah
Lakota - Oglala Sioux EDIT
Lamb Island/ Nguduroodistan ❌
Lancashire
Lango
Lanna
Latgalia
Lazio
Lazistan
Leicestershire
Lenca
Leon
Leon: El Bierzo
Lepcha
Lezgistan
Lezgistan: Azerbaijan
Liberland
Liguria
Limburg
Limburg - Belgium
Limbuwan - India EDIT
Limbuwan: Nepal
Limbuwan: Yakthung Laje/ Greater Limbuwan
Limon
Limos
Limousin
Lincolnshire
Lipka Tatars
Lipka Tatars - Poland EDIT
Lipovans EDIT
Lisu
Lisu - China
Livonia
Loango
Logone
Logone: South Chad/ Sara peoples
Lombardy EDIT
Lombardy - Insubria
Lombok/ Sasak/ Mataram
London
Loreto EDIT
Louisiana EDIT
Louisiana - Cajun
Low German - Low Saxon
Low German - Netherlands
Lower Saxony EDIT
Lozi - Barotseland
Lozi - Caprivi
Luchazi
Ludia/ Lyydi (Ludic)
Luhansk PR
Luhya/ Wanga SIMILAR FLAG
Lunda-Chokwe
Luristan
Luristan: Iraq/ Feyli Kurds
Lusitania
Luxembourg (Reunify)
Maakhir - Darod
Maakhir - Warsangali EDIT
Maasailand EDIT
Maba/ Ouaddai
Macau
Macedonia Greece
Madeira
Madhesh
Madhesh - Terai
Magar
Maharashtra - Marathi EDIT
Maharashtra - Vidarbha
Mahra
Maine EDIT
Maine - North Maine/ Aroostook
Mal di Ventre MICRONATION
Malaita
Malakula/ N'Makiaute
Manabi
Manchester
Manchuria
Manchuria - Outer Manchuria (Qing China parts now Russia/ 64 Villages)
Mandean
Manila EDIT
Manipur
Maonan
Maori
Maori Ngāi Tūhoe/ Tūhoe Nation
Mappila
Mapuche
Mara
Maranhão
Marathwada
Marche EDIT
Mari El
Maronite
Martinique EDIT
Martinique - Petite Antilles Federation
Marwar/ Jodhpur
Maryland
Maryland - Western Maryland (use Washington County flag)
Maryland - Chesapeake EDIT
Masaaba
Masalit EDIT
Masovia EDIT
Massachusetts - Martha's Vineyard and Nantucket
Masuria
Matabeleland
Mataungan/ East New Britain
Mato Grosso
Mato Grosso do Sul
Mato Grosso do Sul - Maracaju (region)
Maya/ Mayan
Mayo/ Yoreme
Mayo/ Yoreme
Mayotte
Mboshi
Media Luna EDIT
Mendoza EDIT
Mercia EDIT
Merina
Merseyside - Liverpool
Merya EDIT
Meschera
Meskhetia - Ahiska Turk EDIT
Metis
Metis - Alberta
Mi'kmaq/ Micmac
Miccosukee - Florida
Minangkabau
Minas Gerais EDIT
Mindanao - Federal Republic EDIT
Zamboanga
Mindanao: North Mindanao/ Bukidnon - Lumad Mindanao (natives) EDIT
Mindanao - Visayans EDIT
Mindoro - Occidental
Mindoro - Oriental
Mingrelia EDIT
Minho Province/ to Galicia - Braga city flag?
Miranda EDIT
Misharstan/ Mishar Tatars
Mising/ Miri
Miskitia EDIT
Mixtec
Mizoram
Mizoram - Lai
Mogadishu/ Banaadir
Moheli
Moksha EDIT
Moldavia (Reunify Moldova!)
Molossia MICRONATION
Mombasa EDIT
Monland
Monguor
Monmouthshire
Montagnards - Degar
Montagnards - Khmer Loeu
Montserrat EDIT
Moravia
Moravian Wallachia/ Kingdom of Wallachia JOKE MICRONATION
Mordovia
Moro
Mossi
Mozabite EDIT
Mro-Khimi EDIT
Mulao
Muong
Murcia
Murica - Cartagena
Murle/ Greater Pibor
Muroma EDIT
Muskogee (Florida)
Myeik-Dawei/ Tanosi
Mykolaiv PR
Nafusi EDIT
Nagaland
Nahua/ Nahuatl
Nahua/ Nahuatl
Najran
Nakhi
Nakhichevan
Nanaia
Nariño dep, Colombia
Nariño - Pastuso
Narva (Russians in Estonia) EDIT
Native Colombians/ Nasa, Wayuu
Navajo
Ndowe
Neapolitan/ Naples in Campania EDIT
Nebraska/ Midwest
Nenetsia - East/ Yamalia EDIT
Nenetsia - West EDIT
Nevis EDIT
New Afrika
New Afrika - Nuwaubian Nation of Moors, Georgia
New Afrika - Oyotunji, South Carolina
New Caledonia - Kanak
New England
New England AU - Eastralia/ Greater Hunter
New England AU - north of Hunter Valley ❌
New Hampshire/ Free State Project
New Ireland
New Jersey - South Jersey
New Munster - South Island
New Munster - Nelson
New Munster - Otago
Newa/ Newar
Newe Sogobia/ Western Shoshone
NFL - Newfoundland
NFL: Labrador
Ngäbe Buglé EDIT
Nias
Nice
Niger Delta EDIT
Nijmegen, Gelderland EDIT (International Four Days Marches Nijmegen!)
Niue
Nivkh people
Nogaia
Nordestino/ Mandacaru
Norfolk Island
Normandy
North Caucasus
North Chad - Aouzou Strip/ FROLINAT
North Chad: Northern Army
North Dumpling Kingdom ❌
North Italy - Padania
North Ivory Coast ❌
North Kosovo, Serb Enclaves EDIT
PeguisEDIT
North Montenegro - Serbs EDIT
North Nigeria/ Hausa/ Arewa
North Russia
North Schleswig - Germans
North Star MULTI
North Star - Minnesota
North Yemen - Zaidi/ Houthis EDIT
Northern Cheyenne
Northern Cyprus
Northern Epirus
Northern Forest Archipelago
Northern Ireland/ Irish Reunification
Northern Portugal EDIT
Northumbria/ North East England
Northwest Angle - to ON/ MB
Northwest Angle: Elm Point SMALL MN/ to MB
Northwest Bulgaria - Romanians
Northwest Front
Nova Scotia
Nova Scotia - Cape Breton Island
Novgorod EDIT
Nuba - South Kordofan, Nuba Mountains
Nuba: Unity State
Nubia ❌
Nuerland
Nueva Viscaya EDIT
Nuevo Leon
Nung EDIT
Nupe
Nuristan
Nuxalk Nation
NY - New York City
NY: Long Island ❌
NY: Long Island - Peconic County
NY: Long Island - Winnecomac
NY: Upstate New York ❌
NY: West New York - Buffalo EDIT
Occitania
Occitania - Aran Valley
Occitania - Languedoc
Occitania - Midi-Pyrenees EDIT
Odessa PR
Ogadenia
Oghuz people
Ogoni
Oirat/ Western Mongolia/ Dzungaria
Okinawa/ Ryukyus EDIT
Oklahoma EDIT
Oklahoma - Tribes, Indian Nations Republic of Oklahoma (old Choctaw flag)
Olivenza/Olivença - to Portugal
Ontario - Northern Ontario
Ontario - Ottawa EDIT
Ontario - Toronto EDIT
Ontario: Rathnelly, Toronto
Opole - Germans in Poland
Orang Asli, Malaysia
Orenburg Cossack EDIT
Orkney EDIT
Oromia
Ossetia - South Ossetia
Øst-Trøndelag: Jämtland and Härjedalen once part of Norway
Østerdalen - Idre & Särna (Alvdalen Muni, SE) to Norway EDIT
Ostrobothnia Swedes EDIT
Otomi EDIT
Ovimbundu/ Mbundaland
Pa-O
Padania
Paisa Region
Palaung EDIT
Palestine
Palestine - Gaza Strip
Palestine Occupied - Judea
Papua Bessena
Para
Paraiba EDIT
Parana
Partium
Pashayi
Pashtunistan - Khyber Pakhtunkhwa
Pashtunistan: Afghanistan
Pashtunistan: Waziristan EDIT
Pastusos
Patagonia
Patagonia - Araucania and Patagonia Kingdom MICRONATION
Patagonia - Magallenes
Patani
Pattani
Paulists
Pawnee
Pawnee
Penang
Perm
Pernambuco EDIT
Piaroa
Picardy
Pied-Noir - French/ White Algerians
Piedmont
Piedmont - Ossola EDIT
Piedmont - Waldensia
Pipil EDIT
Podlachia
Point Roberts WA/ to BC
Poitou
Poles in Belarus - Veyshnoria
Poles in Kresy/ Borderlands
Poles in LT: Druskininkai Poles EDIT
Poles in LT: Wilno - Vilnius EDIT: HAS FLAG
Polynesia East - Tahitinui/ Maohi - French Polynesia
Polynesia East: Marquesas Islands
Polynesia East: Moorea (Hau Pakumoto)
Polynesia East: Tahiti
Polynesia East: Tuamotu Islands
Pomaks/ Tamrash, Ruse & Razgrad Provinces
Pomaks - Turkey EDIT
Pomerania EDIT
Pomerania - Kashubia (Griffin Flag) EDIT
Pomerania: Danzig - Gdansk EDIT
Pomor/ Bjarmaland
Pontian Greek
Potania
Presheva Valley
Primorje-Gorski Kotar county
Principe
Promatia SEZ Crypto MICRONATION
Provence
Provence-Alpes-Cote de Azur (extra parts)
Pskov
Puerto Rico
Puerto Viejo, Cahuita and Manzanillo in Limon - Garifuna/ to Bocas del Toro, Panama
Punjab - Khalistan
Punjab: West - Pakistan
Puno
Puntland
Qajar people
Qiang
Quebec
Quebec - Montreal
Quebec - Saguenay-Lac-Saint-Jean
Quebec - West Quebec/ Anglo Quebeckers EDIT
Quechua EDIT
Queensland - North Queensland
Rabhaland
Ragusa/ Dubrovnik EDIT
Rahanweyn/ Southwestern Somalia
Raizal/ San Andrés y Providencia
Rajputana
Rampur/ Rohilla
Rapa Nui
Ras Al Khaimah
Redonda
Republic of Mirdita ❌
Republika Srpska
Reunion
Rhineland EDIT
Rhode Island - Block Island State (or to MA or CT)
Riau
Rif
Rijeka - Fiume EDIT
Rio de Janeiro EDIT
Rio Grande do Norte/ Potiguar
Rio Grande do Sul/ Pampa, Gaucho
Rodrigues
Rohingya EDIT
Roma
Romanchia - Grisons EDIT
Romandy - French West Switzerland EDIT
Romani people
Rouavjans
Roraima
Rotuma
Rugia Island/ Principality Of Rugia - in Pomerania NO INFO?
Ruthenia - Carpathian Ruthenia
Ruthenia - Lemkos EDIT
Rutulia
Rwenzururu/ Yiira
Rwund
Saarland EDIT
Saba Island
Sabah
Saharan Arabs
Saho EDIT
Sahsevan Turks (NW Iran)
Sakha/ Yakutia
Sakhalin/ Karafuto
Sakhalin/ Koreans
Salar Turks EDIT
Saltee Islands MICRONATION
Samarkhand
Samogitia
Sandzak
Santa Catarina/ Juliana Republic EDIT
Sao Paulo
Sapmi - Lapland
Sapmi - Murmansk EDIT
Saraiki (Bahawalpur/ Seraikistan)
Sarakatsani EDIT
Sarawak
Sarawak Chinese Republic/ Lanfang Republic
Sardinia
Saskatchewan
Saugeais EDIT
Savoy
Savoy: Arpitania EDIT
Saxony - Saxons
Scania
Scania - Bornholm
Scotland
Scotland - Outer Hebrides/ Gaels
Scotland - Scottish Highlands
Scotland: Fife/ "Kingdom of Fife" nickname
Scotland: Keig/ Republic of Keig MICRONATION
Scythia
Scythia - Ukraine
Sealand
Seborga
Sechelt EDIT
Selkupia
Seminole - Florida
Seminole: Oklahoma
Senkaku Islands - Dianyoutai/ Taiwan Gaoshan Autonomous Region ❌
Setomaa/ Seto
Shabak EDIT
Shahseven people
Shammar/ Hail
Shan
Shan - Kokang
Shanghai
Shanghai - Wu Chinese
Shawia EDIT
Shenwa EDIT
Shenwa EDIT
Sherpa
Shetland
Shetland - Forvik MICRONATION
Shiastan/ Mesopotamian Marshes, Southern Iraq
Shilluk EDIT
Shor/ Shoria
Shui
Siberia EDIT
Siberia - Eastern Siberia/ "United States of Northern Asia" EDIT
Siberia - Far East Russia/ Far East Republic EDIT
Siberia - Green Ukraine
Siberia - Primorsky (Vladivostok) EDIT
Siberian Tatar
Siberian Tatar - Tomsk
Sibiu County/ Germans
Sicily
Sidama
Sikkim
Silesia - Upper Silesia, Poland
Silesia: Lower Silesia, Czechia
Silesia - Lower Silesia, Germany
Siltestan
Sinai North/ Bedouins EDIT
Sindh
Sindh - Hindu Sindhis EDIT
Sint Eustatius/ Statia
Slavonia EDIT
Slavonia & Baranya Hungarians EDIT
Slavonia Serbs (SAO Eastern Slavonia, Baranja and Western Syrmia)EDIT
Snake Hill MICRONATION
Socotra
Somali Bantu EDIT
Somaliland EDIT
Somaliland - Awdaliland/ Awdal
Somaliland - Zeila/ Saylac and Lughaye EDIT
Songhai
Sonora EDIT
Sorbs/ Lusatia
South Arabia federation (also protectorate)
South Azerbaijan
South Azerbaijan (variant of Abulfaz Elchibey)
South Carolina
South Congo
South Italy - Ausonia/ Napolitania
South Moluccas
South Nigeria
South Russia/ Yugorossii - Russians in Kazakhstan
South Sandwich
South Schleswig - Danes
South Turkestan - Afghanistan Turks EDIT
South Turkmenistan/ Turkmensahra (Golestan) EDIT
South Vietnam (or Vietnam Democracy)
South Yemen
Southern Leyte
Southern US - Confederates
Spratly Islands/ Free Territory of Freedomland
St Barthelemy/ St Barts
St Helena
St Martin - Dutch/ Unify EDIT
St Martin - French
St Pierre and Miquelon
Styria/ Lower Styria in Slovenia
Sudetenland - Germans
Sudovia/ Yotvingian
Sulawesi
Sulawesi North - Minahasa
Sulistas (Brazil)
Sumatra - Aceh EDIT
Sumatra - Riau EDIT
Sumatra - Batak EDIT
Sumatra - South Sumatra/ Sriwijaya EDIT
Sumba
Sumbawa EDIT
Sundan/ Pasundan EDIT
Surrey EDIT
Sussex/ Saxland EDIT
Suvadives
Svalbard EDIT
Svaneti EDIT
Swabia (Baden-Württemberg)
Swabia: in Bavaria
Syria - Free Syria Republic/ FSA
Syriac-Aramaeans
Szechuan/ Basuria
Szekely Land
Tabasara
Tabasco EDIT
Tafea
Tanna, Vanuatu
Tai Ahom
Tai Dam (Sip Song Chau Tai)
Tai Don
Taino - Puerto Rico
Taino EDIT
Taiwan VAR
Taiwan - Kinmen (or reunification?) EDIT
Taiwanese Aborigines
Tajikistan Turks
Talas Turks
Talysh
Tamang
Tamazigt / Zayane
Tamazigt: Middle Atlas
Tamils - Tamil Nadu
Tamils: Tamil Eelam
Tanoh Gayo
Tapuria/ Tabaristan
Taraclia - Bulgars VAR
Tartupaluk Principality/ Hans Island NO INFO ❌
Tasmania VAR
Tat (Russia)
Tatarstan VAR
Tavolara VAR
Tay/ Tho
Taymyria/ Dolgania
Teke/ Kingdom of Two
Telugu - Andhra
Telugu - Telangana
Temagami/ Teme-Augama Anishnabai (Indian Nation) - North Ontario
Tembuland EDIT
Teochewia
Teptyarstan
Terek Cossacks (former Terek Oblast) EDIT
Terengganu EDIT
Teslin Tlingit
Texas
Tharu
Tibet
Ticino EDIT
Tigray EDIT
Tivland
Tiwaland
Tobago (Custom on Wiki - NO SOURCE) EDIT
Tocantins
Tofa people
Tokelau EDIT
Toliara
Toraja/ Tana Toraja
Torbesh/Skopje Turk
Torlak EDIT
Tornedalia
Toubouland EDIT
Toubouland - Libya
Transnistria VAR
Transylvania VAR
Tripolitania
Tripura VAR
Tristan da Cunha
Trujillo, Colon (Honduras) VEC
Tsakhur VEC
Tsimshian
Tuareg - Agadez/ Tenere Tuareg
Tuareg - Ahaggar
Tuareg - Azawad
Tuareg - Revolutionary Movement of the Blue Men
Tujia
Tulu Nadu EDIT
Tumbuka/ Nyika EDIT
Tupac Katari EDIT
Turkmen - Iraq
Turkmen - Syria VAR
Turks and Caicos EDIT
Tuscany EDIT
Tuva
Tyrol - South Tyrol
Tyrol: North Tyrol/ Tyrolea
Tyrol: Trentino
Tyumen Oblast/ to Kazakhstan
Udi
Udmurtia
Ugria
Ukrainian Galicia/Halychyna in Western Ukraine/ Lodomeria EDIT
Ulster-Scots VAR
Umbria VAR
Upper Austria EDIT
Upper Hungary
Ural Cossacks EDIT
Uralia/ Ural Republic
Urhobo
Utah
Uwa
Uyghurstan - East Turkestan
Valencia
Valparaiso Region chile
Vaud
Vemerana
Venda/ Vhavenda
Venice - Veneto
Venice: Cimbria
Veracruz EDIT
Vermont
Vestlandet/ West Norway EDIT
Vevčani MICRONATION
Vikesland, Manitoba MICRONATION
Virgin Islands - US Unify EDIT
Virgin Islands: British
Virginia - Northern Virginia - Alexandria EDIT
Vojvodina VAR
Vojvodina - Rusyns
Vojvodina - Slovaks (Gold)
Vojvodina North - Lower Hungary
Vojvodina SE + Timok Valley - Romanians
Volga Bulgar/ Volga Bulgaria VAR
Volga Cossack
Volga Germans EDIT
Vollenhove, Overissel
Vorarlberg/ to Switzerland
Voro
Voronezh Oblast/ to Ukraine
Votia/ Vods
Vyatichi
Vyatichi - Oryol Oblast
Wa, Burma
Wake Islanders
Wake Island/ Enenkio
Wales
Wales - Gwynedd/ North Wales EDIT
Wallis - Wallis and Futuna EDIT
Wallis: Futuna (Alo & Sigave) EDIT
Wallis: Wallis/ Uvea EDIT
Wallonia
Walser
Walser - Piedmont
Washington/ DC
Wayuu
Wessex EDIT
West Bengal/ Bangalarastra EDIT
West Midlands
Yoruba VAR
West Papua
West Timor
Western Armenia
Western Bosnia EDIT
Western Canada/ Manitoba
Western Sahara EDIT
Westralia - Western Australia
Westralia: Hutt River
Wichita
Wichita
Wolayta
Xhosa people
Xibe
Xinka
Yagnobi
Yaka
Yakuts
Yanbian/ Koreans in Manchuria
Yanomami DIFF
Yao
Yaqui
Yarsan DIFF
Yazidistan VAR
Yebala
Yidishe/ Jewish Autonomous Oblast EDIT
Yorkshire VAR
Yörük Turks
Yucatan
Yugra
Yunnan - Yi people
Yusufzai/ Swat
Yuyencia/ Hebei NR
Yvelines
Yvelines - Essonne
Yvelines: Chevreuse Valley dept EDIT
Zalessia
Zambesia River Races
Zanzibar VAR
Zapatistas - Chiapas
Zaporizhia PR
Zapotec EDIT
Zazaistan
Zeeland
Zhuang/ Guangxi GET DIFF
Zomia - Zogam/ Zalengam
Zomia: Chin State
Zomia: Kukiland (Manipur)
Zomia: Mizoram/ Mizo
Zone of the Straits - Smyrna & Marmara Greeks EDIT
Zoroastrian/ Parsi
Zulia EDIT
Zulu/ KwaZulu-Natal VAR
Zuni DIFF
Red Lake
Red Lake
File:Flag of the Muscogee Nation.png
File:Flag of the Oneida Nation of Wisconsin.PNG
File:Mohawk peace flag.svg
File:Flag of the Alabama-Coushatta Tribe of Texas.svg
File:Flag of the Gwich'in Nation.png
File:Cahto flag.jpg
File:Flag of the Coushatta Tribe of Louisiana.svg
File:Flag of the Mohegan Tribe of Connecticut.PNG
File:Flag of the Omaha Tribe of Nebraska & Iowa.PNG
File:Flag of the Tohono O'odham Nation.svg
File:Flag of the Teslin Tlingit Council.svg
File:Official ute tribe flag.png
Chinook
Osage
Robinson
Ninilchik
Sac and Fox
Viejas Band of Kumeyaay Indians
Colorado River Indian Tribes
Soyots
Oroks
Evens
Toconoté
Qulla people
Wichi
Chango people
Diaguita
Huambisa people
Lule people
French Guiana
Choctaw people
Flag of the Turkish people in Western Thrace
Alacalufe
Tolaki people
Ladakhis
Temotuans
Basilicatans
Shiraz people
Jumma people
Mocoví
Huanca people
Muzo people
Mbayá
Chiquitano
Nağaybäk people
Krymchaks
Dobrujan Tatars
Vallecaucanos
Aysenians
Tejanos
Bogotanos
Cearenses
Mineiros
Fluminenses
Louisiana Creole people
Buraku
Sibe people
Rakhine people
Kayan people
Bimanese people
Bugis people
Pangasinan
Pangasinans
Banjar people
Gowa
Wa people
Shirazi
East Flemings
Formosa Province
Arbëreshë
Semirečje Cossacks
Semirečje Cossacks
West Flemings
West Frisian Dutch
Twents
Kentish
Franc-Comtois
Bernese
Zeelandic Flemings
Bohemians
Chodovés
Achterhoeks
Lorrainers
Viennese
Karamanlides
Zürchers
Oldenburgers
Veddas
Tuamotu
O'odham
Butonese
Gorontaloans
Antwerpians
Baslers (de jure)
Baslers (de facto)
Umbrians
Ubykh (rare flag)
Marathis
Kumaonis
Pashayi
Kinh
Niuafo'ou
Ibizans
Bornholmers
Tooro
Tsonga
Lyonnais
Veluws
Southern Ndebele
Menorcans
Tarragonians
Jutes
Bubi
Dutch Low Saxons
Danzig Germans
Palantine Germans
Siwa
Brahui
Natukhaj
Natukhaj
Tłı̨chǫ
Hindkowans
Ashkali
Meitei
Ilocano
Lanfangese
Tausūg
Sonsorolese
Urkers
Stellingwarfs
Hamburgians