Nicknames for Katja
4 nicknames, sorted by where they actually get used.
Office-safe
Kat
formal
Playground-friendly
Kay
casual
Kaie
casual
Family nicknames
Katkins
endearment
Katja carries 4 common short forms — Kat, Kay, and Kaie. The list splits into 1 office-safe pick and 2 playground-friendly options so you can match the moment.