Arthur Lake (April 17, 1905 - January 9, 1987) was an American actor. He was a native of Corbin, Kentucky.

Lake is best known for portraying the Blondie comic strip character of Dagwood Bumstead in the long-running series of Blondie films produced by Columbia Pictures from 1938 until 1950. He also portrayed the character in a 1957 Blondie television series. His work in the popular Blondie radio show earned him a star on the Hollywood Walk of Fame at 6646 Hollywood Blvd.

He died of a heart attack in Indian Wells, California on January 9, 1987 and was interred in the Hollywood Forever Cemetery in Hollywood.