Romuald I (also spelled Romoald and in Italian Romualdo), duke of Benevento (662–687) was the son of Grimoald, king of the Lombards.
Romualdo I (tamén escrito Romoald e en italiano Romoaldo), duque de Benevento (662-677), era o fillo de Grimoaldo, rei dos longobardos.