Nicknames for Giannina
4 nicknames, sorted by where they actually get used.
Office-safe
Gia
formal
Nina
formal
Gina
formal
Playground-friendly
Gianna
casual
Giannina carries 4 documented short forms — Gia, Gianna, and Nina — drawn from its Italian-origin roots. The list splits into 3 office-safe picks and 1 playground-friendly option so you can match the moment.