John Merriman may refer to:
John Merriman (actor), American actor and filmmaker John Merriman (athlete) (1936–1999), British Olympic athlete John Merriman (bishop) (died 1572), Bishop of Down and Connor from 1568 to 1572 John M. Merriman (1946–2022), Yale professor of French and European history John G. Merriman (1929–1964), Central Intelligence Agency pilot John X. Merriman (1841–1926), last prime minister of the Cape Colony before the formation of the Union of South Africa in 1910 Johnny Merriman (1899–1986), American football, basketball, and baseball coach
See also John Merriman Reynolds (1848–1933), U.S. Representative from the state of Pennsylvania