Looker is a surname. Notable people with the surname include:
Charlie Looker, (born 1980), multi-project New-York based musician Dane Looker (born 1976), American football player David Looker (1913–1995), British bobsledder Herbert Looker (1871–1951), English politician Margaret Frances Looker (1910–1988), Australian nurse Othniel Looker (1757–1845), American politician Stephen Looker (born 1977), American musician