William Tester (born April 26, 1960, in Charleston, South Carolina) is an American short story writer and novelist. He was raised on a cattle ranch in Florida and is a graduate of Columbia University (B.A., 1984) and Syracuse University (M.F.A., 1995). He published the novel Darling in 1991 (ISBN 0-394-56872-9) and the story collection Head (ISBN 1-889330-48-5) in 2000. He is the recipient of a National Endowment for the Arts Fellowship and The Mary McCarthy Prize. His short fiction and memoir excerpts have appeared in Esquire, Bomb, Nerve, TriQuarterly, The Quarterly, The North American Review, Witness and other literary journals. He has taught writing at Columbia University, the State University of New York and Virginia Commonwealth University. He married artist and architectural designer Josefa Mulaire in May 1992.
- , Head, Stories. "Out of His Skull", by Scott Bradfield, New York Times, November 12, 2000.
- , Head, Stories, by William Tester. Sarabande Books. Chapter One, "Wet".
- "Faces to Watch: Books", by Kelli Pryor, Entertainment Weekly, January 31, 1992. Retrieved July 18, 2010.
- "Vows; Josefa Mulaire and William Tester", by Lois Smith Brady, New York Times, June 7, 1992. Retrieved July 18, 2010.
- , Bookshop, by Joseph Berger, New York Times, February 24, 2008.
-  National Endowment for the Arts Literature Fellows, p. 40