Thomas Stewart Baker (born January 20, 1934) is an English actor. He is best known for playing the fourth incarnation of the Doctor in the long-running science fiction television series Doctor Who, a role he played from 1974 to 1981, and for being the narrator of the comedy series Little Britain.

Tom Baker (b. 1948) is a Nebraska state senator in the Nebraska Legislature who lives in Trenton, Nebraska.

Tom Baker (August 28, 1940 – September 2, 1982) was an American actor who starred in the Andy Warhol movies Blow Job and I, A Man. He was a known drug and alcohol addict, and a close friend of Jim Morrison of The Doors.

Tom Baker is a fictional character played by Daniel Dae Kim on the series 24.

Thomas Calvin Baker (June 11, 1913 – January 3, 1991), known as Tom Baker and nicknamed "Rattlesnake", was an American Major League Baseball player. He was a pitcher for four seasons (1935–1938) with the Brooklyn Dodgers and New York Giants.