Gammuto is an Italian surname. It originated in the village of Longobucco, which is in the Province of Cosenza. The origins or meaning of the name are not known. Descendants of the original family can be found in the follocwing regions of Italy:
Calabria, Piemonte, Campania, Abruzzo, Lazio, Toscana, Liguria, Piemonte, Lombardia.