Radulf or Radulph may refer to:
- Radulf, King of Thuringia, 7th-century noble, Duke and then King
- Radulf II, Duke of Thuringia, 9th century
- Radulf of Narbonne, 8th-century Count
- Radulf of Besalú (died 920), Count
- Radulf (d. 1220), Radulf II, abbot of Kinloss
- Radulf of Brechin, 13th-century bishop of Brechin
- Radulf the Cistercian, 12th-century French monk who called for the killing of Jews
See also