Remigius may refer to:
- Saint Remigius of Reims (died 533), who converted Clovis I, king of the Franks
- Remigius of Lyon, died 875, archbishop
- Remigius of Auxerre, died 908, theologian and teacher
- Nicholas Remy (1534 - 1600), French witch hunter
- Remigius of Rouen (755-771), archbishop of Rouen and illegitimate son of Charles Martel
- Remigius de Fécamp, bishop of Lincoln from 1072
The modern French name Remy (name) is associated with the Latin name Remigius.