Thomas Boyd Mason (January 12, 1919 – March 9, 2007) was an American United States Attorney for the Western District of Virginia (1961–1969), and an actor.
Mason was appointed United States Attorney for the Western District of Virginia by John F. Kennedy in 1961.
After his second term, he took a job at Norfolk and Western Railway working as a liaison to the General Assembly.
Mason appeared in four feature films: Crimes of the Heart, In a Shallow Grave, Mississippi Burning and Gods and Generals.
Friends credited Mason's charisma, sharp wit, love of life and genuine interest in people that propelled him to success.