MacCallum is a Scottish surname or given name. Notable people with the name include:
James MacCallum Smith (1868–1939), Australian politician, newspaper proprietor and stock breeder MacCallum Grant (1845–1928), Canadian businessman MacCallum Scott (1874–1928), Scottish politician Martha MacCallum (born 1964), American news anchor Mungo Wentworth MacCallum (1941–2020), Australian journalist Mungo William MacCallum (1854–1942), Chancellor of the University of Sydney Spencer MacCallum (21st century), American anthropologist Taber MacCallum (21st century), one of the original crewmembers of Biosphere 2 William George MacCallum (1874–1944), Canadian physician
See also Clan MacCallum Kellie-MacCallum McCallum (disambiguation)