John Hanna
# John Hanna

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
