John Adair (disambiguation)
John Adair is the name of the following people:
- John Adair (1757-1840), American politician
- John Adair (cartographer) (around 1655-1718), Scottish surveyor and cartographer
- John Adair (anthropologist) (1913-1997), American anthropologist
- John Eric Adair (* 1934), British sociologist and publicist
- John AM Adair (1864–1938), American politician