The name Massimo is a boy's name of Italian origin meaning "the greatest". Massimo and is often added to lists like Italian Baby Boy Names Beyond Giovanni & Giuseppe and discussed in our forums with posts like "Names on NB that make you go WOW!".
From the experts:
Massimo is a Latin charmer, much more appealing than the old-fashioned Mario, and is a charismatic member of the Maximus/Magnus family.