John Adam

John Adam may refer to:


 * John Adam (architect) (1721–1792), Scottish architect
 * John Adam (silversmith) (1774–1848), silversmith and painter in Virginia
 * John Adam (administrator) (1779–1825), British administrator in India
 * John Adam (legislator) (fl. 1860–1887), Wisconsin populist legislator from Milwaukee
 * John Adam (sailor) (1875–1946), British sailor, won silver medal at 1908 Summer Olympics
 * John A. Adam (journalist) (born 1949), American reporter
 * John A. Adam (mathematician), British-American applied mathematician
 * John Adam (rugby league) (born 1955), Australian rugby league player
 * John Adam (actor) (born 1960s), Australian television and theatre actor
 * John Adam (MP) (died 1440), for New Romney
 * John Adam (hoax), the name given by Islamic militants to a U.S. soldier they claimed to have captured
 * John J. Adam (1807–1888), Scottish-American teacher, businessman, and politician