John Hanna

John Hanna is the name of:

• John Hanna ( Indiana) ( 1827-1882 ), American politician
• John Hanna (ice hockey player) ( 1935-2005 ), Canadian ice hockey player
• John Hanna ( ecologist ), American ecologist, founder of the "Environmental Life Force "
• John A. Hanna (1762-1805), American politician

• Disambiguation