Engelbert III of the Marck (German: Engelbert III von der Mark) (1304 - 1368) was the Archbishop of Cologne from 1364 until 1368 and the Bishop of Liège (as Engelbert) from 1345 until 1364. Engelbert was the second son of Count Engelbert II of the Marck. Through the influence of his uncle Adolph II of the Marck, the Bishop of Liège he became in 1332 the Provost of Liège. Later he was also mentioned as being a Provost in Cologne.