Haddock is a North Atlantic fish caught for food.
Haddock may also refer to:
Places Haddock, Alberta, a locality in Canada Haddock, Georgia, an unincorporated town in the US
Other uses Haddock (surname), including a list of people and fictional characters with the name, including Captain Haddock, a cartoon character by Hergé USS Haddock, three US Navy submarines Haddock (software), a software documentation generator for the Haskell programming language