Nicknames for Giannina
4 nicknames, sorted by where they actually get used.
Office-safe
Gia
formal
Nina
formal
Gina
formal
Playground-friendly
Gianna
casual
About Giannina nicknames: Most parents pick Giannina for the full formal sound. Then they reach for a shorter form at home. The office version and the playground version are usually different — that's the split above.