Texas Jack may refer to:
People Texas Jack Omohundro (1846–1880), scout, actor, cowboy Texas Jack Jr. (c. 1860–1905), sharpshooter, wild west show owner, made Will Rogers into an entertainer, adopted son of Omohundro Texas Jack Vermillion (1842–1911), Old West gunfighter Nathaniel Reed (outlaw) (1862–1950), American outlaw Dick "Texas Jack" Broadwell, 19th-century American outlaw and member of the Dalton Gang
Arts and entertainment Texas Jack (film), a 1935 American western film Texas Jack, a character in the film The Great Race "Texas Jack", an episode of The Abbott and Costello Cartoon Show
Other uses Texas Jack's, the retail store of US firearms importer Cimarron Firearms