The following flags represent Latvia or one of its predecessors. These flags can be used as is or as inspiration.
Flag of Latvia in OTL
Livonian Knights Flag (XIII century)
Livonian Knights Flag (XV century)
Livonian Knights Flag (XV century)
Livonian Knights Flag (XV century)
Livonian Order Flag - front side (XV century)
Livonian Order Flag - back side (XV century)
.svg "Flag of Courland (Naval).svg (6 KB)")
Flag of the Grand Duchy of Courland
.svg "Flag of Courland (state).svg (2 KB)")
Flag of the Grand Duchy of Courland
.svg "Flag of Courland (civil).svg (2 KB)")
Flag of the Grand Duchy of Courland
Flag of Archbishopric of Riga (XIV century)
Flag of Free City of Riga (XVI century)
Flag of Free City of Riga (XVII century)
Flag of the German Nobility in Courland
Flag of the German Nobility in Livonia
.gif "Латвия1870-е(Микелис Крогземис).gif (668 bytes)")
Michelis Krogzemis flag proporsal for Latvia (1870-s)
1882 flag proposal for Latvia
1880-s flag proposal for Latvia
1918 flag proposal for Latvia
1918 flag proposal for Latvia
1918 flag proposal for Latvia
1918 flag proposal for Latvia
Flag of the Baltic Landeswehr (Baltic German Forces during Russian Civil War Era
Flag of the Baltic Duchy (1918)
Flag of the Military and Politic Council of the West Russia (Russian Civil War)
Latvian SSR (1918)
Latvian SSR (1919-1920)
.svg "Flag of Latvian SSR (1940).svg (7 KB)")
Latvian SSR (1940-1953)
Flag of Lettland-1 SS Forces (WWII Era)
Latvian SSR (1953-1991)
Flag of Latgalia
Flag of Livonia
Flag of Celia
Flag of Suit people
Flag of the Archbishopric of Riga (Jeffrey Arenburg)
Lutheran State of Livonia (Jeffrey Arenburg)
Union of Livonia (Jeffrey Arenburg)