Holter is a surname. Notable people with the surname include:

Anton Holter (1831–1921), Norwegian-born American pioneer and entrepreneur Bjørn Holter (born 1981), Norwegian singer-songwriter Christian Holter (born 1972), Norwegian footballer Don Wendell Holter (1905–1999), American United Methodist bishop Dwayn Holter (born 1995), Luxembourgish footballer Harriet Holter (1922–1997), Norwegian social psychologist Hermann Hölter (1900–1989), German Olympic pentathlete, and Generalleutnant during World War II Helmut Holter (born 1953), German politician of the party The Left Ike Holter (born 1985), American playwright Iver Holter (1850–1941), Norwegian composer, conductor and music director of the Oslo Philharmonic John Holter (1916–2003), American inventor Julia Holter (born 1984), American musician Norman Holter (1914–1983), American biophysicist Oscar Holter, Swedish and American record producer and songwriter Øystein Gullvåg Holter (born 1952), Norwegian sociologist Reidar Holter (1892–1953), Norwegian Olympic rower Sigurd Holter (1886–1963), Norwegian Olympic sailor Lisbeth F.K. Holter Brudal (born 1935), Norwegian psychologist Bjørn Atle Holter-Hovind (born 1944), Norwegian media and corporate executive Cody Holter (born 1991), American filmmaker