John K. Collum (June 29, 1926 — August 28, 1962) was an American child actor.

He was never a regular cast member and portrayed a character named Uh-Huh.

Two months past his 36th birthday, Collum died of a heart attack in Los Angeles.

He is interred in the Valhalla Memorial Park Cemetery in North Hollywood.

This article about a United States film actor born in the 1920s is a stub.