Haseloff is a surname. Notable people with the surname include:
Cynthia Haseloff (born 1948), American author Daniel Haseloff (born 1988), German politician Elisabeth Haseloff (1914–1974), German Lutheran pastor Kurt Haseloff (1894–1978), German general in the Wehrmacht during World War II Reiner Haseloff (born 1954), German politician, Minister-President of Saxony-Anhalt (2011–2026)
See also Hasselhoff