Captain Walker may refer to:
Captain Frederic John Walker (1896–1944), a Royal Navy officer during World War II Captain Walker, a character in The Who's Tommy Captain Walker, a character in Mad Max Beyond Thunderdome Captain Martin Walker, main character of Spec Ops: The Line John Walker (Marvel Cinematic Universe), a character in the Marvel Cinematic Universe
See also Joseph R. Walker (1798—1876), an American mountain man and scout