Moulton is a surname. Notable people with the surname include:
Alex Moulton (1920–2012), British engineer and inventor of vehicle suspension systems and bicycles Charles Moulton (disambiguation), multiple people Dave Moulton (1936–2025), British custom bicycle frame maker David Moulton (1871–1951), American lawyer and conservationist Forest Ray Moulton, American astronomer Hugh Moulton (1876–1962), British Liberal Party politician, Member of Parliament James Egan Moulton, first headmaster of Newington College, Australia, Methodist minister James Hope Moulton, English academic, Methodist minister John Coney Moulton, British military officer, entomologist and museum director John Egan Moulton (1930–2012), Australian medical practitioner, Chairman of the NSW Institute of Sports Medicine and team doctor of the Australian national rugby union team John Fletcher Moulton (1844–1941), English barrister, judge and Member of Parliament Jon Moulton (born 1950), British venture capitalist Jonathan Moulton, American general Kamari Moulton (born 2005), American football player Louise Chandler Moulton (1835-1908), American poet, story-writer, critic Powers Moulton (1829–1904), American politician in Wisconsin Ron Moulton (1924-2010), English author and editor Sara Moulton, American celebrity chef Seth Moulton, U.S. House member and former United States Marine Corps officer Stephanie Moulton Sarkis, American psychotherapist and author Stephen Moulton (1794–1880), British industrialist Stephen Moulton (soldier), American Revolution figure Terry Moulton (b. 1946), American politician in Wisconsin Tom Moulton, American record producer William Fiddian Moulton (1835–1898), English Methodist minister, Biblical scholar and educator