Whitefish or white fish may refer to:
In fishing terminology:
- Whitefish (fisheries term), a fisheries term referring to the flesh of many types of fish
In fish species:
- Freshwater whitefish, members of the subfamily Coregoninae in the family Salmonidae, including:
- Common whitefish, Coregonus lavaretus in the genus Coregonus
- Lake whitefish, Coregonus clupeaformis in the genus Coregonus
- Atlantic whitefish, Coregonus huntsmani in the genus Coregonus
- Round whitefish, Prosopium cylindraceum in the genus Prosopium
- Mountain whitefish, Prosopium williamsoni in the genus Prosopium
- Inconnu, Stenodus leucichthys in the genus Stenodus
- Ocean whitefish (Caulolatilus princeps) a Pacific species found off Southern California
- the chimaerae species:
- Australian ghost shark
- Ogilby's ghostshark
- Beluga sturgeon, Huso huso
- Kutum (fish), also called "White Fish" or "Caspian White Fish"
- White steenbras, (Lithognathus lithognathus), a sparid
- some Tilefish
In mammals:
- Beluga whale, Delphinapterus leucas
In geography:
- Whitefish, Montana
- Whitefish Bay, a bay between the United States and Canada.
- Whitefish Bay, Wisconsin
- Whitefish, Ontario
- Whitefish Lake First Nation, Ontario
- Whitefish Falls, Ontario
- Whitefish Range, Montana and British Columbia
- Whitefish Township, Michigan