Tatwine was an eighth-century Benedictine monk who served as the tenth Archbishop of Canterbury from 731 until his death in 734. Born in Mercia around 670, he previously held the position of abbot at a monastery in Breedon-on-the-Hill. A scholar noted for his learning and devotion, he is recognized for his contributions to early medieval literature, including works on Latin grammar and a collection of riddles. He is venerated as a saint in the Catholic tradition.