3
See Tricolour
- Naval Ensign of Albania
- Flag of Algeria
- Naval Ensign of Algeria
- Flag of Amsterdam
- Flag of Angola
- Flag of Arkansas
- Flag of Armenia
- Flag of Aruba
- Flag of Australia
- Civil Ensign of Australia
- Naval Ensign of Australia
- Flag of Bahamas
- Naval Ensign of Bangladesh
- Flag of Barbados
- Flag of Barcelona
- Flag of Basque Country
- Flag of Belarus
- Flag of Belgium
- Civil Flag and Ensign of Belgium
- State Ensign of Belgium
- Flag of Benin
- Flag of Berlin
- Flag of the Swiss Canton of Berne
- Flag of Bolivia
- Flag of Bosnia and Herzegovina
- Flag of Botswana
- Flag of Brussels
- Flag of Bulgaria
- Flag of Burkina Faso
- Flag of Burundi
- Flag of Buryatia
- Flag of Cambodia
- Flag of Cameroon
- Naval Jack of Canada
- Flag of Chad
- Flag of Chile
- Flag of the Republic of China
- Army Flag of the Republic of China
- Army Flag of the People's Liberation Army, People's Republic of China
- Air Force Flag of the People's Liberation Army, People's Republic of China
- Christian flag
- Flag of Colombia
- Flag of the Democratic Republic of the Congo
- Flag of the Republic of the Congo
- Civil Flag and Ensign of Costa Rica
- Flag of Côte d'Ivoire
- Flag of Cuba
- Flag of Curaçao
- Flag of Cyprus
- Flag of the Czech Republic
- Flag of Dagestan
- Civil Ensign of El Salvador
- Flag of Estonia
- Naval Jack of Estonia
- Naval Jack of Finland
- Flag of France
- Civil and Naval Ensign of France
- Flag of Gabon
- Flag of Germany
- Presidential Flag of Greece
- Flag of Grenada
- Civil and State Ensign of Grenada
- Flag of Guinea
- Flag of Hawaii
- Flag of Hungary
- Flag of Iceland
- Flag of Ingushetia
- Flag of Iran
- Flag of Ireland
- Flag of Italy
- Flag of Johor
- Flag of Kalmykia
- Flag of Karelia
- Flag of the Komi Republic
- Flag of Kosovo
- Flag of Lebanon
- Flag of Lithuania
- Flag of Macau
- Flag of Maldives
- Flag of Mississippi
- Flag of Mongolia
- Flag of Negeri Sembilan
- Flag of the Netherlands (Oldest tricolor)
- Flag of Newfoundland
- Flag of New York City
- Flag of New Zealand
- Flag of North Ossetia-Alania
- Flag of Norway
- Flag of Ohio
- Flag of the former Parthenopaean Republic (Naples)
- Flag of Perak
- Flag of Pittsburgh
- Flag of Puerto Rico
- Flag of the Rhenish Republic
- Flag of Rhode Island
- Flag of the former Roman Republic (18th century)
- Flag of Romania
- Flag of Russia
- Flag of Sarawak
- Flag of Sealand
- Flag of Selangor
- Flag of Serbia
- Flag of Slovakia
- Flag of Sint Maarten
- Flag of the Republic of China (Taiwan)
- Flag of South Ossetia
- Flag of Tatarstan
- Flag of Tennessee
- Flag of Texas
- Flag of Thailand
- Transgender Pride flag
- Flag of Tuva
- Flag of Udmurtia
- Flag of the United Kingdom
- Naval Ensign of the United Kingdom
- UK Blue Ensign
- UK Red Ensign
- Flag of the United States
- Flag of the United States Coast and Geodetic Survey (in use 1899-1970)
- Flag of Wales
- Flag of Yemen
Read more about this topic: List Of Flags By Number Of Colors