Diamond is a surname. Notable people with the surname include:
Amy Diamond (born 1992), English-Swedish pop singer
Andrew Diamond, (born 1989), American reggae artist
Anne Diamond (born 1954), British television presenter
Arthur Diamond (1844–1906), Australian politician
Barry Diamond, American comedian
Benjamin Diamond (born 1972), French singer
Bernard L. Diamond (1912–1990), American professor of law and psychiatry
Bob Diamond (disambiguation), several names
Charles Diamond (1858–1934), Irish newspaper entrepreneur
Charley Diamond (born 1936), American football player
Cora Diamond, U.S.-born philosopher
David Diamond (disambiguation), several names
Debi Diamond (born 1965), American pornographic actress
Dustin Diamond (born 1977), American actor
Fred Diamond (born 1964), English mathematician
Gregg Diamond (1949–1999), American musician
Harry Diamond (1908–1996), English Gezza
I. A. L. Diamond (1920–1988), Romanian-born American film writer
Jack Diamond (architect) (born 1932), South African born, Canadian architect
Jack Diamond (Canadian businessman) (1909–2001), Canadian businessman and philanthropist
Jack "Legs" Diamond (1897–1931), Irish-American gangster
Jared Diamond (born 1937), American biologist, physiologist, biogeographer and author
Jim Diamond (music producer) (born 1965), American studio engineer, producer and bass player
Jim Diamond (singer) (born 1953), Scottish rock musician
Jody Diamond (born 1953), American composer, performer, writer, publisher, editor, and educator
John Diamond (journalist) (1953–2001), British Jewish broadcaster and journalist
John Diamond, Baron Diamond (1907–2004), British politician
King Diamond (born 1956), Danish heavy metal musician
Larry Diamond, political scientist
Lou Diamond (1897–1951), US Marine
Michael Diamond (born 1965), the American musician Mike D, member of the Beastie Boys
Michael Diamond (sport shooter) (born 1972), Australian professional target shooter
Milton Diamond (born 1934), American professor of anatomy and reproductive biology
Mya Diamond (born 1981), Hungarian pornographic actress
Neil Diamond (born 1941), American singer/songwriter
Paul Diamond (born 1961), Croatia-born Canadian professional
Peter Diamond (born 1940), American economist
Phil Diamond (born 1958), professor at University of Manchester
Randy Diamond (born 1987), Honduran footballer
Rebecca Diamond, American television journalist
Reed Diamond (born 1967), American actor
Sara Diamond (born 1958), an American sociologist and attorney
Sara Diamond (college president) (born 1954), the President of OCAD University
Sara Diamond (singer) (born 1995), a Canadian singer/songwriter
Scott Diamond (born 1986), Canadian professional baseball pitcher
Selma Diamond (1920–1985), Canadian-born comedic actress and TV writer
Simon-Pierre Diamond (born 1985), Canadian politician
Stanley Diamond (1922–1991), American anthropologist
Zander Diamond (born 1985), Scottish professional footballer
