Nicknames for Catherine
10 nicknames, sorted by where they actually get used.
Office-safe
Cate
formal
Cat
formal
Kay
formal
Kate
formal
Kat
formal
Playground-friendly
Cathy
casual
Catie
casual
Kitty
casual
Kit
casual
Family nicknames
Cath
endearment
Catherine carries 10 common short forms — Cate, Cat, and Kay. The list splits into 5 office-safe picks and 4 playground-friendly options so you can match the moment.