Hask or HASK may refer to:
HAŠK, Hrvatski akademski športski klub, Croatian football club Hask (periodical), official publication of the Armenian Catholicosate of the Great House of Cilicia (Holy See of Cilicia) Hayastani Azgayin Scautakan Sharjum Kazmakerputiun, the Armenian Scout movement Hask, the mathematical category of Haskell programming language types and extensionally identified Haskell functions as morphisms