Whitefish (or white fish) has several meanings:

• It is a fisheries term referring to the flesh of many types of fish; see Whitefish (fisheries term)
• It refers precisely to the whitefishes of the salmonid genus Coregonus
• It can refer specifically to the common whitefish (Coregonus lavaretus)
• It was formerly used to refer to the beluga, both the cetacean, the beluga whale (Delphinapterus leucas), and the sturgeon, the beluga sturgeon (Huso huso)
• It can refer to any of a large number of other fish species:
  • the round whitefishes of the salmonid genus Prosopium and the similar inconnu (Stenodus leucichthys)
  • the chimaerae Callorhinchus milii and Hydrolagus ogilbyi
  • some atherinopsids
  • a clupeid, the Atlantic menhaden (Brevoortia tyrannus)
  • a cyprinid, the cape whitefish (Barbus andrewi)
  • a hiodontid, the mooneye (Hiodon tergisus)
  • some malacanthids
  • some salangids
  • a sparid, the white steenbras (Lithognathus lithognathus)
• Towns and geographical features that have the name "Whitefish":
  • Whitefish, Montana
  • Whitefish Bay, a bay between the United States and Canada.
  • Whitefish Bay, Wisconsin

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