Tom O'Brien (July 25, 1890 – June 8, 1947) was an American silent and sound character actor known for his burly serio-comic roles.

[1] He worked in the comedy film The Gentleman from America (1923) as Johnny Day,[2] which is about the humorous tale of two American buddies (O'Brien and Hoot Gibson) and they have numerous adventures in Spain.

[2] He was primarily cast as stocky "Irish types" in comic supporting roles.

[2] He was buried at Forest Lawn Memorial Park, Glendale.

This article about a United States film actor born in the 1890s is a stub.