Allum is an English surname. Notable people with this name include:
Bert Allum (born 1930), English footballerBill Allum (1916–1992), Canadian ice hockey player and coachDon Allum (1937–1992), English oarsman, the first person to row across the Atlantic Ocean in both directionsJames Allum, Canadian politicianJohn Allum (1889–1972), New Zealand businessman and engineer, Mayor of Auckland City from 1941 to 1953