Arnulfo is an Italian name for boys. The meaning is `power of an eagle` The name Arnulfo is -as far as we know- only given to American boys. The name sounds like: Arnaldo, Arnoldo Similar names are: Ranulfo, Arnault, Arnauld, Arnald, Arnold, Arnell, Arnel Found on https://www.pregnology.com/names/boys/Arnulfo