Vexilla regis prodeunt is a Latin hymn in long metre by the Christian poet and saint Venantius Fortunatus, Bishop of Poitiers. It takes its title from its incipit.

Venantius Honorius Clementianus Fortunatus, known as Saint Venantius Fortunatus, was a Latin poet and hymnographer in the Merovingian Court, and a bishop of the Early Church who has been venerated since the Middle Ages.