Pat O'Malley (September 3, 1890 – May 21, 1966) was an American vaudeville and stage performer prior to starting a prolific film career at the age of sixteen.

[2] From 1918 to 1927 he appeared in scores of silent films as both a leading man and a character actor i.e.: The Heart of Humanity, My Wild Irish Rose, The Virginian and in the adaptation of bestseller Brothers Under the Skin.

He guest starred in the early musical series Faye Emerson's Wonderful Town on CBS.

O'Malley remained on call into the early 1960s for such TV shows as The Twilight Zone and such films as Days of Wine and Roses.

In 1915, O'Malley married actress Lillian Wilkes (died December 15, 1976).