Nicknames for Masahiro
12 nicknames, sorted by where they actually get used.
Office-safe
Mas
formal
Masa
formal
Iro
formal
Playground-friendly
Masay
casual
Masaie
casual
Masah
casual
Masahy
casual
Masahie
casual
Iroy
casual
Iroie
casual
May
casual
Maie
casual
Masahiro carries 12 common short forms — Mas, Masa, and Masay. The list splits into 3 office-safe picks and 9 playground-friendly options so you can match the moment.