Waleran was a medieval Bishop of Rochester. Waleran was archdeacon of the diocese of Bayeux and a clerk serving Richard of Dover, Archbishop of Canterbury. Waleran was elected on 9 October or 10 October 1182 and was ordained a priest on 18 December 1182. He was consecrated on 19 December 1182. Waleran died on 29 August 1184.