William Albert Henry (November 10, 1914 – August 10, 1982) was an American actor working in Hollywood movies.

Born in Los Angeles in 1914, Henry started as a child actor, then was a hero in B-movies (mainly westerns), and ended his career as a character actor. He also appeared in various roles on episodes of many TV series. He was a member of the John Ford Stock Company and appeared 12 times for Ford.

Henry was active with the Pasadena Community Playhouse.

His brother was the character actor Thomas Browne Henry.

Henry was married and divorced twice. His first marriage was to Grace Durkin, with whom he had son Michael and daughter Michele. His and his second wife, Barbara Knudson, were the parents of William "Bill" Henry, Jr. (b. 1958).