William Ashman Fraker (September 29, 1923 – May 31, 2010) was an American cinematographer, film director and producer. He was nominated five times for the Academy Award for Best Cinematography. In 2000, he received a Lifetime Achievement Award from the American Society of Cinematographers (ASC) honoring his career.

As cinematographer, his films include The President's Analyst (1967), Rosemary's Baby (1968), Bullitt (1968), Paint Your Wagon (1969), The Day of the Dolphin (1973), Coonskin (1975), Looking For Mr. Goodbar (1977), Exorcist II: The Heretic (1977), Heaven Can Wait (1978), 1941 (1979), WarGames (1983), Irreconcilable Differences (1984), Murphy's Romance (1985), Tombstone (1993), and Street Fighter (1994).