John Hanna may refer to:

• John Hanna (ice hockey) (1935–2005), Montreal Canadiens hockey player
• John Clark Hanna, founder of the original ELF
• John A. Hanna (1762–1805), United States Representative from Pennsylvania
• John Hanna (Indiana politician) (1827–1882), United States Representative from Indiana
• John Hanna (baseball) (1863–1930), 19th century major league baseball catcher
• John G. Hanna (1889–1948), sailboat designer
• John William Hanna (1889–1962), Canadian merchant and politician
• John Hanna (prison officer) (c. 1947–1992), Northern Irish prison officer convicted of helping the IRA murder a colleague
• John Hanna (rower), British rower
• Jack Hanna (born 1947), American zookeeper

• John Hannah (disambiguation)

Topics referred to by the same term

This disambiguation page lists articles about people with the same name.
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