Florentius of Anjou was a 4th-century Christian priest and hermit who served as an abbot. The brother of Florian of Lorch, he initially resided on the island of île d'Yeu before moving to the mainland. He is primarily recognized for his missionary work, specifically for evangelizing the area surrounding Saumur. He passed away on 30 September 390 and is commemorated as a saint in both Catholic and Orthodox traditions.