Wilmer Cable Butler (April 7, 1921 – April 5, 2023) was an American cinematographer who was known for his work on The Conversation (1974), Jaws (1975), and three Rocky sequels. Butler also completed One Flew Over the Cuckoo's Nest (1975) after Haskell Wexler was fired from the production, and was subsequently nominated for an Academy Award for Best Cinematography.