Stephen Mosher (born July 8, 1964) is an American photographer and activist whose photos appear Playbill Magazine and in The Sweater Book.
Mosher was born in Dallas, Texas to a businessman and an artist. He is the second of four children and was schooled in Europe: first, in Portugal at the schools St. Dominics and St. Columbans; later, in Switzerland at The International School of Zurich and The International School of Berne. Mosher returned to America in 1982 and attended Tarrant County Junior College and North Texas State University, where he met his husband, Pat Dwyer, in 1985. In 1993 the couple relocated from Texas to New York City, where they continue to reside.