Melissa Farley (born 1942) is an American clinical psychologist, researcher and radical feminist anti-pornography and anti-prostitution activist. Farley is best known for her studies of the effects of prostitution, trafficking and sexual violence. She is the founder and director of the San Francisco-based organization, Prostitution Research and Education.
Farley, a clinical psychologist for over 45 years, has consulted with agencies, governments, medical centers, advocates for women in prostitution and trafficked women. These groups include the United Nations, the California Medical Examining Board, the US State Department, the Center for World Indigenous Studies, the Minnesota Indian Women's Sexual Assault Coalition, Refuge House, Breaking Free, Veronica's Voice and the Cambodian Women's Crisis Center. Farley has been a faculty member of the Center for World Indigenous Studies and has taught seminars on research for social change at the CWIS in