Nicknames for Callista
3 nicknames, sorted by where they actually get used.
Office-safe
Cal
formal
Playground-friendly
Callie
casual
Calli
casual
Callista carries 3 documented short forms — Callie, Cal, and Calli — drawn from its Greek-origin roots. The list splits into 1 office-safe pick and 2 playground-friendly options so you can match the moment.