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.