Holter is a surname. Notable people with the surname include:
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), Luxembourgian footballer
Harriet Holter (1922–1997), Norwegian social psychologist
Julia Holter (born 1984), American musician
Norman Holter (1914–1983), American biophysicist
Øystein Gullvåg Holter (born 1952), Norwegian sociologist
