Fintán of Taghmon, also known as Munnu, was an Irish monk who lived during the late 6th and early 7th centuries. He is recognized as the founder and abbot of the monastery at Teach-Mhunn, located in modern-day County Wexford. After spending time in Scotland, where he established a community at Kilmun, he returned to Ireland to lead a large monastic community. He was known for his scientific knowledge and his ability to integrate mathematical and scientific studies with Christian teaching.