Nicknames for Katharin
12 nicknames, sorted by where they actually get used.
Office-safe
Kat
formal
Kath
formal
Rin
formal
Playground-friendly
Kathy
casual
Kathie
casual
Katha
casual
Kathay
casual
Kathaie
casual
Riny
casual
Rinie
casual
Kay
casual
Kaie
casual
Katharin carries 12 common short forms — Kat, Kath, and Kathy. The list splits into 3 office-safe picks and 9 playground-friendly options so you can match the moment.