Howitt is a surname. Notable people with the surname include:
Alfred Howitt (politician) CVO (1879–1954), English medical doctor who became a Conservative Party politician
Alfred William Howitt (1830–1908), Australian anthropologist and naturalist
Anna Mary Howitt (1824–1884), English painter, writer and feminist
Bobby Howitt (1925–2005), Scottish footballer
Dann Howitt (born 1964), retired American Major League baseball player
Dave Howitt (born 1952), former English professional footballer
David Howitt (entrepreneur) (born 1968), American business consultant
Dennis Howitt, British psychologist
Godfrey Howitt (1800–1863), English born Australian botanist and doctor
Hugh Howitt, English pub landlord
Mary Howitt (1799–1888), English poet and author
Peter Howitt (born 1957), English actor and film director
Peter Howitt (set decorator) (born 1928), English set decorator
Peter Howitt (economist) (born 1946), Canadian economist
Richard Howitt (disambiguation), multiple people
Samuel Howitt (1765–1822), English artist
Steve Howitt, member of the Massachusetts House of Representatives
Thomas Cecil Howitt (1889–1968), 20th-century English architect
William Howitt (1792–1879), English author
