Lubentius was a 4th-century Christian missionary and priest who is venerated as a saint in the Catholic Church. Raised by Martin of Tours, he was later educated under Bishop Maximin of Trier before being ordained. He is notably remembered for his mission along the Lahn river and for his role in retrieving the body of Bishop Maximin from Aquitaine. Today, he is recognized as the patron saint of boatmen on the River Lahn.