Marsha P. Johnson (August 24, 1945 – July 6, 1992) was an American gay liberation activist and self-identified drag queen. Known as an outspoken advocate for gay rights, Johnson was one of the prominent figures in the Stonewall uprising of 1969. A founding member of the Gay Liberation Front, Johnson co-founded the gay and transvestite advocacy organization S.T.A.R. (Street Transvestite Action Revolutionaries), alongside close friend Sylvia Rivera.
She was known for decades as a welcoming presence in the streets of Greenwich Village, Johnson was known as the “mayor of Christopher Street”. From 1987 through 1992, Johnson was an AIDS activist with ACT UP.