Għajn Tuffieħa Tower is a fortification that stands on the cliffs overlooking the shore at Għajn Tuffieħa Bay on the north west coast of Malta. It is one of Lascaris towers that Grand Master Juan de Lascaris-Castellar of the the Knights of Malta ordered be built (1637). A watchtower, it was originally armed with a half pounder gun and garrisoned by four men.