Nicknames for Katherina
12 nicknames, sorted by where they actually get used.
Office-safe
Kat
formal
Kath
formal
Ina
formal
Rina
formal
Playground-friendly
Kathy
casual
Kathie
casual
Kathe
casual
Kathey
casual
Katheie
casual
Inay
casual
Inaie
casual
Kay
casual
Katherina carries 12 common short forms — Kat, Kath, and Kathy. The list splits into 4 office-safe picks and 8 playground-friendly options so you can match the moment.