Icefish may mean:
Fish
- Channichthyidae, the crocodile icefish or white-blooded fish of the Antarctic region, so-named for their cold habitat and clear (colorless) blood without hemoglobin
- Jonah's icefish (Neopagetopsis ionah), of the Southern Ocean
- Nototheniidae, the cod icefish or notothens of the Antarctic region, whose members have red, hemoglobin-rich blood
- Patagonian toothfish (Dissostichus eleginoides), a species of Notothen found in cold southern waters
- Salangidae, the icefish or noodlefish, a family of small, transparent or semi-transparent ("ice-like") fishes found in fresh, brackish and marine waters in East Asia and the northwestern Pacific Ocean
Other uses
- USS Icefish (SS-367), a submarine
- IceFish (band), a progressive rock project band started by Virgil Donati and Marco Sfogli