John Adams (disambiguation)
John Adams (1735–1826) was the second President of the United States.
John Adams is also the name of:
Politicians
- John Quincy Adams (1767–1848), 6th President of the United States and son of the 2nd President
- John Adams (merchant), Nova Scotia merchant and president of the colonial Nova Scotia Council
- John J. Adams, Congressman from New York during the 48th United States Congress
- John Michael Geoffrey Manningham Adams (1931–1985), known better as "Tom" Adams, Prime Minister of Barbados from 1976 to 1985
- John Adams (mayor) (1773–1825), Mayor of Richmond, Virginia
Musicians
- John Coolidge Adams (born 1947), an American minimalist composer whose works include "Shaker Loops"
- John Luther Adams (born 1953), an American postminimalist composer
Others
- John Adams (Blessed) (died 1586), Catholic priest and martyr under Elizabeth I of England
- John Adams (mutineer) (1766–1829), on the HMS Bounty
- John Adams (geographer), professor of geography, environmentalist and risk theorist
- John Adams (physicist) (1920–1984), Director general of CERN and particle accelerator designer
- John Bodkin Adams (1899–1983), British physician and alleged serial murderer
- John Couch Adams (1819–1892), mathematician who predicted the existence of Neptune