Gay City: Seattle's LGBTQ Center, formerly known as Gay City Health Project, is a 501(c)(3) multicultural LGBTQ nonprofit organization based in Seattle, Washington.

In the mid-2000s, Gay City introduced a Wellness Center that provided HIV testing and STI screening (syphilis, chlamydia, gonorrhea, and hepatitis C).

[3] In 2007, Gay City served as a research partner for the Seattle branch of the HIV Vaccine Trials Network.

[4] The LGBTQ library was formerly held by the Seattle LGBT Community Center until it closed in 2009 and moved to Gay City.

[6][7] In April 2022, Gay City moved into a new headquarters building at 400 E. Pine Street in the Capitol Hill neighborhood.