Mark Kiyimba is a Ugandan Unitarian Universalist minister and LGBT-rights activist. He leads the Unitarian Universalist Church of Kampala, Uganda; the church runs an orphanage and a school for children infected with HIV/AIDS and who have lost parents to the disease.
He has been a vocal opponent of Uganda's Anti-Homosexuality Bill; in 2010, he organized a conference (held on February 14) called "Standing on the Side of Love: Reimagining Valentine’s Day", to protest the bill. A University of Iowa African Studies Program.