Alexander Vaus [Vause, de Vaus] (died after 1450) was a late 14th century and 15th century Scottish prelate. Said to have been the younger son of one Patrick Vaus (died 1392), he apparently held "church livings" in Galloway as early as 1421. He is found in possession of the precentorship of Dornoch Cathedral, seat (cathedra) of the diocese of Caithness, when a papal mandate from Avignon Pope Benedict XIII, 25 July 1398, authorised his appointment as Archdeacon of Caithness: