John Adair (disambiguation)

John Adair (1757–1840) was a U.S. soldier, statesman and governor of Kentucky.

John Adair may also refer to:

• John Adair (surveyor) (c. 1655–1722), Scottish surveyor and mapmaker
• John Adair (soldier), (1732–1837), American pioneer and soldier, early settler of the Knoxville, Tennessee area
• John A. M. Adair (1864–1938), U.S. Congressman from Indiana
• John Adair (anthropologist) (1913–1997), American anthropologist
• John George Adair (1823–1885), Scots-Irish businessman and landowner, financier of JA Ranch in the Texas Panhandle
• Johnny Adair (born 1963), Northern Irish paramilitary leader
• John Adair (author) (born 1934), UK consultant and author on leadership
• John Adair (cricketer) (1852–1913), Irish physicist and cricketer