Jack Harper may refer to:
Jack Harper (1900s pitcher) (1878–1950), pitcher in Major League Baseball Jack Harper (1915 pitcher) (1893–1927), American pitcher in Major League Baseball Jack Harper (tennis) (1914–2005), Australian tennis player Jack Harper (Canadian football) (1927–2003), Canadian Football League player Jack Harper (American football) (1944–), former American college and professional football player Jack Harper (politician) (1967–), American politician in Arizona Jack Harper (footballer) (1996–), Scottish footballer
Fictional characters Jack Harper (Tru Calling), a character in the television series Tru Calling Jack Harper, the real identity of the Illusive Man in the Mass Effect video game series Jack Harper (On the Buses), a character in the British sitcom On the Buses Jack Harper, one of the main characters in the novel Can You Keep a Secret? by Sophie Kinsella Dr. Jack Harper, a character in the 2007 film Awake, played by Terrence Howard Jack Harper, the main protagonist in the 2013 film Oblivion, played by Tom Cruise
See also John Harper (disambiguation)