Cullum is a surname. Notable people with the surname include: Albert Cullum (1921–2003), American educator Ben Cullum, British musician George Washington Cullum (1809–1892), American Civil War general and Superintendent of the U.S. Military Academy JD Cullum (born 1966), American actor Jamie Cullum (born 1979), English pianist and songwriter Jim Cullum (1898–1948), Australian rules footballer Jim Cullum Jr. (1941–2019), American cornetist and bandleader John Cullum (born 1930), American actor and singer Kimberly (born 1981) and Kaitlin Cullum, American former child actors who are also sisters Leo Cullum (1942–2010), American cartoonist, father of Kimberly and Kaitlin Cullum Ridgwell Cullum (1867–1943), British writer of adventure novels Robert B. Cullum (1912–1981), American businessman and civic leader Thomas Gery Cullum (1741–1831), medical doctor, botanist, and antiquary