Nicknames for Kosuke
7 nicknames, sorted by where they actually get used.
Office-safe
Kos
formal
Kosu
formal
Playground-friendly
Kosuy
casual
Kosuie
casual
Koy
casual
Koie
casual
Family nicknames
Koskins
endearment
Kosuke carries 7 common short forms — Kos, Kosu, and Kosuy. The list splits into 2 office-safe picks and 4 playground-friendly options so you can match the moment.