Nicknames for Nikko
4 nicknames, sorted by where they actually get used.
Office-safe
Nik
formal
Playground-friendly
Niy
casual
Niie
casual
Family nicknames
Nikkins
endearment
About Nikko nicknames: Most parents pick Nikko 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.