Biaggio /bi-ag-gio/ [4 sylls.] as a boys' name is of Latin derivation, and the meaning of Biaggio is stutterer.Biaggio is a variant form of Biagio (Italian, Latin): related to Blaise. Biaggio is also a variation of Blaze (Latin).iaggio /bi-ag-gio/ [4 sylls.] as a boys' name is of Latin derivation, and the meaning of Biaggio is stutterer.