Fish is an English surname. Notable people with the surname include:

• Albert Fish (1870–1936), American serial killer, rapist, and cannibal
• Albert Fish (politician) (1922–2006), British-Canadian politician
• Amanda Fish, American singer-songwriter and multi-instrumentalist
• Anne Harriet Fish (1890–1964), British cartoonist and illustrator
• Bert Fish (1875–1943), American judge and ambassador
• Bob Fish (NASCAR owner), American race car owner
• Bobby Fish (born 1976), American professional wrestler
• Calvin Fish (born 1961), British racing driver and commentator
• Curtis Fish (Curt Fish), American curler
• Christopher Fish (born 1993), Swedish professional ice hockey player
• Eric Fish (born 1969), stage name of German singer Erik-Uwe Hecht
• Farnum Fish (1896–1978), American aviator
• Fred Fish (1952–2007), American computer programmer
• Frederick Perry Fish (1855–1930), American lawyer
• Ginger Fish (born 1965), stage name of American drummer Kenneth Robert Wilson
• Graeme Fish (born 1997), Canadian speed skater
• Hamilton Fish (disambiguation), multiple people
• Henry Fish (1838–1897), British-New Zealand politician
• Howard Fish, American judoist
• Hugh Fish (1923–1999), English chemist and water manager
• Jack Fish (American football) (20th century), American football and baseball coach
• Jack Fish (rugby league) (1878–1940), English rugby league player
• Jacob Fish (born 1956), American academic
• Jasper Fish (18th century), English cricketer
• Jeremy Fish (born 1974), American artist
• John Fish (businessman), American businessman
• John Charles Lounsbury Fish (1870–1962), American civil engineer and educator
• Joseph Fish (Mormon pioneer) (1840–1926), American pioneer
• Leslie Fish, American singer and anarchist
• Mardy Fish (born 1981), American tennis player
• Mark Fish (born 1974), South African footballer
• Mark Fish (composer), American composer
• Mark Fish (writer), American television writer and actor
• Matt Fish (born 1969), American basketball player
• Michael Fish (fashion designer) (born 1940), British fashion designer
• Michael Fish (born 1944), British weather presenter
• Morris Fish (born 1938), Canadian judge
• Nancy Fish (1850–1927), English socialite
• Nate Fish (born 1980), American baseball player and coach
• Nick Fish (1958–2020), American politician and lawyer
• Phil Fish (born 1984), pen name of French Canadian video game designer Philippe Poisson
• Preserved Fish (1766–1846), American merchant
• Rhiannon Fish (born 1991), Canadian-Australian actress
• Samantha Fish (born 1989), American singer-songwriter and guitarist
• Sidney Webster Fish (1885–1950), American lawyer and rancher
• Simon Fish (died 1531), English religious reformer
• Stanley Fish (born 1938), American literary theorist
• Stuyvesant Fish (1851–1923), American businessman

Fictional characters:

• Billy the Fish, a cartoon strip in the British comic Viz
• Oliver Fish, fictional character on the ABC daytime drama One Life to Live
• Detective Phil Fish, character played by Abe Vigoda on the television series Barney Miller and spinoff Fish
• Richard Fish, character from the television series Ally McBeal
• Fish, the surname of the two main characters in the British-Canadian adult animated series Bob and Margaret

• Fisch (surname)
• Fysh