John Key (born 1961) was the 38th Prime Minister of New Zealand, 2008–2016.

John Key may also refer to:

• Sir John Key, 1st Baronet (1794–1858), Lord Mayor of London 1830–1832, MP for City of London 1832–1833
• John A. Key (1871–1954), American politician
• John Ross Key (1754–1821), American lawyer and judge
• John Ross Key (artist) (1832–1920), American frontier landscapes artist
• John Maurice Key (1905–1984), Bishop of Sherborne then Truro

• John Keys (disambiguation)
• Johnny Key (disambiguation)
• John Keay (born 1941), English journalist and writer

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