Cantor is a surname. Notable people with the surname include:
Andrés Cantor (born 1962), Spanish-language soccer announcer
Anthony Cantor (born 1946), British diplomat
Arthur Cantor (1920–2001), American theatrical producer
Aviva Cantor (born 1940), American journalist, lecturer and author
B. Gerald Cantor (1916–1996), American businessman
Cantor Fitzgerald, financial services firm founded by him
Brian Cantor (born 1948), Vice-Chancellor of the University of York, UK
Charles Cantor (born 1942), American molecular geneticist
David Cantor (born 1954), American actor and singer
Eddie Cantor (1892–1964), American comedian, singer, actor, songwriter
Eric Cantor (born 1963), American politician
Geoffrey Cantor (born 1943), professor of history and philosophy of science at the University of Leeds
Georg Cantor (1845–1918), German mathematician, founder of set theory
Jacob A. Cantor (1854–1921), New York politician
James Cantor (born 1966), American-Canadian clinical psychologist specializing in sexology
Jay Cantor (born 1948), American novelist and essayist
Liz Cantor (born 1982), Australian television presenter
Max Cantor (1959–1991), American journalist and actor
Mircea Cantor (born 1977), Romanian visual artist
Moritz Cantor (1829–1920), German historian of mathematics
Nancy Cantor (born 1952), Chancellor and President of Syracuse University
Noah Cantor (born 1971), Canadian footballer
Norman Cantor (1929–2004), Canadian medievalist
Peter Cantor (died 1197), French Roman Catholic theologian
Paul Cantor (born 1945) is an American literary critic
Steven Cantor, American film/television director
Theodore Edward Cantor (1809–1860), Danish biologist
Tim Cantor (born 1969), American surrealism artist and writer
Wulfstan the Cantor (c.960 – early 11th century), Anglo-Saxon monk
