Marner is an English and German surname. Notable people with the surname include:
Mitch Marner (born 1997), Canadian hockey player Peter Marner (1936–2007), English cricketer Richard Marner (1921–2004, born as Alexander Pavlovich Molchanov), Russian-born British actor
See also Silas Marner, 1861 dramatic novel by George Eliot Der Marner, a Middle High German poet