Lovejoy is an English surname. Notable people with the surname include:
Allen P. Lovejoy, American politician
Arthur Oncken Lovejoy (1873–1962), American philosopher and intellectual historian
Asa Lovejoy (1808–1882), American pioneer and politician, founder of Portland, Oregon
Ben Lovejoy (born 1984), American ice hockey player
Deirdre Lovejoy (born 1962), American actress
Elijah Parish Lovejoy (1802–1837), American journalist and abolitionist, brother of Owen
Esther Pohl Lovejoy (1869–1967), American physician and activist
F. T. F. Lovejoy (1854–1932), American industrialist
Frank Lovejoy (1912–1962), American actor
George Lovejoy (died 2003), Australian rugby league commentator
George A. Lovejoy (1931–2015), American politician and businessman
Lynda Lovejoy (born 1949), Navajo politician
Owen Lovejoy (1811–1864), American congressman and abolitionist, brother of Elijah
Owen Lovejoy (anthropologist) (born 1943), American evolutionary biologist
Paul Lovejoy, Canadian historian
Terry Lovejoy, Australian amateur astronomer
Thomas Lovejoy, American biologist
Tim Lovejoy (born 1968), British television presenter
Fictional characters:
Reverend Timothy Lovejoy, a recurring character in the animated television series The Simpsons
Helen Lovejoy, wife of the above
Lovejoy, a fictional antiques dealer of eponymous novels and television