Haldeman is a surname. Notable people with the surname include:
Samuel Stehman Haldeman (1812–1880), U.S. naturalist and philologist
Walter Newman Haldeman (1821–1902), U.S. newspaper publisher, businessman, Major League Baseball owner
Jacob S. Haldeman (1823–1889), U.S. banker, politician and ambassador
Richard Jacobs Haldeman (1831–1886), U.S. politician
E. Haldeman-Julius (1889–1951), and Anna Marcet Haldeman (died 1941), U.S. publishers
H. R. Haldeman (1926–1993), U.S. politician; White House Chief of Staff (1969–1973) under President Richard Nixon
Jack C. Haldeman II (1941–2002), U.S. biologist and science fiction writer
Joe Haldeman (born 1943), U.S. science fiction writer
Charles E. Haldeman (born 1948), U.S. entrepreneur
