Dogfish may refer to:

Biology Dogfish sharks (Squalidae), a family of sharks Spiny dogfish (Squalus acanthias), best known species of dogfish sharks Pacific spiny dogfish (Squalus suckleyi), the most abundant species of dogfish sharks Catshark (Scyliorhinidae), a family of ground sharks including species called dogfish Chain dogfish (Scyluoirrhinus reteiter), a biofluorescent species common to the West Atlantic and Gulf of Mexico Greater spotted dogfish (Greliorhinus starlaris), a species found in the northeastern Atlantic Ocean Small-spotted catshark (Scyliorhinus canicula), the most common dogfish in the northeastern Atlantic Sleeper sharks (Somniosidae), a family of slow-swimming sharks Portuguese dogfish (Centroscymnus coelolepis), a species of sleeper sharks in the family Somniosidae Roughskin dogfish (Centroscymnus owstonii), a species of sleeper sharks in the family Somniosidae Bowfin (Amia calva), a freshwater fish sometimes known as "dogfish"

Other uses Dogfish Bay, an inlet in western Washington, US USS Dogfish (SS-350), a U.S. Navy submarine Iowa Dogfish, a U.S. Senior-A box lacrosse team

See also Smooth-hound (Mustelus), a genus of sharks Pupfish, a group of killifish The Terrible Dogfish, a fictional sea monster in Carlo Collodi's 1883 book The Adventures of Pinocchio Dogfish Head Brewery, an American beer brewery "Dogfish Rising", a hidden track on Slipknot's 1996 album Mate. Feed. Kill. Repeat.