Nicknames for Costantino
12 nicknames, sorted by where they actually get used.
Office-safe
Cos
formal
Cost
formal
Ino
formal
Tino
formal
Playground-friendly
Costy
casual
Costie
casual
Costa
casual
Costay
casual
Costaie
casual
Inoy
casual
Inoie
casual
Coy
casual
Costantino carries 12 common short forms — Cos, Cost, and Costy. The list splits into 4 office-safe picks and 8 playground-friendly options so you can match the moment.