Nicknames for Catharine
12 nicknames, sorted by where they actually get used.
Office-safe
Cat
formal
Cath
formal
Ine
formal
Rine
formal
Playground-friendly
Cathy
casual
Cathie
casual
Catha
casual
Cathay
casual
Cathaie
casual
Iney
casual
Cay
casual
Caie
casual
Catharine carries 12 common short forms — Cat, Cath, and Cathy. The list splits into 4 office-safe picks and 8 playground-friendly options so you can match the moment.