Holtermann is a surname. Notable people with the surname include:
Bernhardt Holtermann (1838–1885), German gold miner in Australia Hans Reidar Holtermann (1895–1966), Norwegian army officer Henrik Holtermann (born 1997), Danish curler Karl Höltermann (1894–1955), German politician Ove Bjelke Holtermann (1852–1936), Norwegian architect, uncle of Hans Reidar Peter Høier Holtermann (1820–1865), Norwegian architect, uncle of Ove Bjelke and granduncle of Hans Reidar