Gerald Feil was an American cinematographer.

Feil is best known for his work on the feature films Lord of the Flies, Friday the 13th Part III, and the Rolling Stones concert film Let's Spend the Night Together.

Born in New York City, Feil earned a B.A. in Theater Arts from Antioch College in Ohio, and later became a cameraman for the NBC affiliate in Dayton after it carried his filmed coverage of a devastating tornado. After college, he returned to New York, where he designed the lighting for several Broadway musical and dramatic productions until being drafted into the U.S. Army.

After his discharge, Feil worked on the design of lightweight self-contained camera systems which incorporated wireless sync, ergonomic handheld design and high-quality zoom lenses.

His television projects include Adventures on the New Frontier (1961), a candid portrait of presidential candidate John F. Kennedy, and Africa, a four-hour documentary that aired on ABC in 1967, hosted by Gregory Peck.

Feil died February 9, 2021, in Montreal, Canada. He was 87.