Kellum is a surname. Notable people with the surname include:
Bill Kellum, American musician Brandon Kellum (born 1985), American musician Echo Kellum (born 1982), American actor and comedian John Kellum (1809–1871), American architect Marv Kellum (1952-2023), American football player Win Kellum (1876–1951), Canadian baseball player
See also Kellum Creek, a river of Pennsylvania, United States John Kellum, VP JP Morgan