William "Bill" Condon (born October 22, 1955) is an American screenwriter and director.
Condon was born in New York City, the son of a detective, and was raised in an Irish Catholic family. He attended Regis High School and Columbia College of Columbia University, where he studied philosophy. Condon is openly gay.
After earning his Bachelor of Arts degree, Condon began to work as a journalist for film magazines including American Film and Millimeter. He got his start writing low-budget features including Strange Behavior (1981) and Strange Invaders (1983). His directorial debut was Sister, Sister (1987), an eerie Southern Gothic mystery starring Eric Stoltz and Jennifer Jason Leigh. Following this, Condon made a series of made-for-TV thrillers, including Murder 101 (1991), which starred Pierce Brosnan and earned Condon and co-writer Roy Johansen a 1992 Edgar Award for their screenplay. During this period he also wrote the screenplay for the thriller F/X2 (1991), which was directed by Aussie director Richard Franklin.