Johnny Mathis (born 1935) is an American pop music singer.
John or Johnny Mathis may also refer to:
"Country" Johnny Mathis (1930–2011), American country music singer and songwriter John Mathis, American politician from Utah John Mathis (1942–2023), American soul singer who performed as Johnny Johnson for Johnny Johnson and the Bandwagon Johnny Mathis (basketball) (1943–2023), American basketball player
See also John H. Mathis & Company, a shipbuilding company based in Camden, New Jersey