Theodorus Gaza (Greek: Θεόδωρος Γαζῆς, Theodoros Gazis; Italian: Teodoro Gaza; Latin: Theodorus Gazes), also called Theodore Gazis or by the epithet Thessalonicensis (in Latin) and Thessalonikeus (in Greek) (c. 1398 – c. 1475), was a Greek humanist and translator of Aristotle, one of the Greek scholars who were the leaders of the revival of learning in the 15th century (the Palaeologan Renaissance).