Fisk is a surname. Notable people with the surname include:
Carlton Fisk, Major League Baseball player
Charles Brenton Fisk (1925–1983), American organ builder and founder of C.B. Fisk, Inc.
Eliot Fisk, classical guitarist
Sir Ernest Fisk Australian radio engineer, founder of Amalgamated Wireless Australasia
Fidelia Fisk (1816-1864), American Congregationalist missionary
Jack Fisk, art director for films
James Fisk (financier) (1834–1872), financier and speculator
Jason Fisk, National Football League player
Nicholas Fisk, pseudonym of David Higginbottom, science fiction author
Pliny Fisk (1792-1825), American Congregationalist missionary
Pliny Fisk III, American architect
Robert Fisk, British journalist and author
Sari Fisk, Finnish Olympic bronze medalist of women's ice hockey
Schuyler Fisk, American actress, daughter of Sissy Spacek
Stephen Gregory Fisk Mayor-elect of Juneau, Alaska
Steve Fisk, American audio engineer, record producer and musician
Wilbur Fisk, Methodist theologian
Herbert Fisk Johnson III (known as "Fisk" Johnson), CEO and Chairman of S. C. Johnson & Son
Fictional characters:
Richard Fisk, anti-hero from the Marvel Universe
Wilson Fisk, supervillain from the Marvel Universe