Nicknames for Fumio
4 nicknames, sorted by where they actually get used.
Office-safe
Fum
formal
Playground-friendly
Fuy
casual
Fuie
casual
Family nicknames
Fumkins
endearment
About Fumio nicknames: Most parents pick Fumio 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.