Sanaag is a region (gobolka) in northern Somalia, and was formerly part of the British Somaliland protectorate. Its capital is Ceerigaabo, and it is bordered by the Somalian regions of Woqooyi Galbeed, Togdheer, Sool and Bari and the Gulf of Aden. Sanaag is claimed by the two self-proclaimed but internationally-unrecognized states of Somaliland and Puntland.

The region's main inhabitants belong to the Warsangeli tribe, with also members of the Isaq and Dhulbahante tribes present.