Mariner is a surname. Notable people with the name include:
Edward Mariner (1877–1949), English cricketer
Paul Mariner (born 1953), English football coach and retired player
Rosemary Bryant Mariner (born 1953), United States Naval Aviator
Sandra Mariner (born 1974), Austrian luger
William Mariner (writer) (1791–1853), Englishman who wrote of his experiences in the Polynesian island kingdom of Tonga
William Mariner (VC) (1882–1916), English soldier awarded the Victoria Cross during the First World War