Activism flags

national flag of the Socialist Republic of Viet Nam

multicolored flag consisting of the colors of the rainbow

flag of Russian anti-war opposition to the 2022 invasion of Ukraine

political flag, usually used as symbol of left-wing or/and workers' movements

symbolic expression of ideology that advocates abolition of any repressive institutions

historical American flag depicting a rattlesnake and the words "Don't Tread on Me"

any flag meant to represent the entire planet of Earth, or global society thereon

national flag of South Vietnam (1948–1975)

flag used by transgender individuals, organizations and communities

flag historically used as national flag of Belarus, and nowadays used by Belarusian oppositions

flag of West Papua

flag design(s) used to represent disability

proposed flag to represent world peace

fictional Jolly Roger flag featured in One Piece

a flag symbolizing the freedom of speech, designed by John Marcotte in 2007, encoding a cryptographic key (09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 C0) enabling unauthorized copying of HD DVD and Blu-Ray disc

flag used in the 2019 Hong Kong protests

symbolic flag used at the Eureka Stockade

cultural symbol used by American environmentalists

unofficial flag of the Cascadia bioregion of North America