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

  • Eliot Fisk (born 1954), American classical guitarist
  • Elizabeth Hubbell Fisk (1859 - 1927), American textile artist
  • Eric Fisk (born 1931), English cricketer and Royal Air Force officer
  • Erma Johnson Fisk (1905–1990), American nature writer and ornithologist
  • Ernest Fisk (1886–1965), English Australian radio pioneer, entrepreneur, and businessman
  • Fidelia Fisk (sometimes spelled Fiske; 1816–1864), American Congregationalist missionary
  • Greenleaf Fisk (known as the "Father of Brownwood, Texas"; 1807–1888), American pioneer and politician
  • Greg Fisk (1945–2015), American politician and fisheries consultant; mayor of Juneau, Alaska
  • Jack Fisk (born 1946), American film production designer and director
  • James Fisk (financier) (known as "Diamond Jim"; 1834–1872), American stockbroker and railroad executive
  • Jason Fisk (born 1972), American football player
  • Jonathan Fisk (1778–1832), American lawyer and politician; US House Representative for New York
  • Katherine Tanner Fisk (1860s–1926), American contralto singer and actor
  • Martin Fisk (born 1946), British actor
  • M. H. Fisk (1843–1906), Wisconsin physician and pioneer
  • Molly Fisk (born 1955), American poet and radio commentator
  • Nicholas Fisk (pseudonym of David Higginbottom; 1923–2016), British science fiction author
  • Pauline Fisk (1948–2015), British children's author
  • Pliny Fisk (1792–1825), American Congregationalist missionary
  • Pliny Fisk III (born 1944), American architect
  • Robert Fisk (1946–2020), British journalist and author
  • Sari Fisk (born 1971), Finnish Olympic bronze medalist in women's ice hockey
  • Schuyler Fisk (born 1982), American actress and singer
  • Steve Fisk (born ?), audio engineer, record producer, and musician
  • Wilbur Fisk, (1792–1839), American Methodist minister, educator, and theologian
  • Herbert Fisk Johnson III (known as "Fisk" Johnson; born 1958), American business executive

Fictional characters:

  • Helen Tudor-Fisk, the titular character of Australian comedy sitcom Fisk
  • Richard Fisk, anti-hero from the Marvel Universe
  • Vanessa Fisk, non-villainous wife of Wilson "Kingpin" Fisk
  • Wilson Fisk (known as "Kingpin"), supervillain from the Marvel Universe; husband of Vanessa Fisk