Nicknames for Casius
7 nicknames, sorted by where they actually get used.
Office-safe
Cas
formal
Playground-friendly
Casi
casual
Casiy
casual
Casiie
casual
Cay
casual
Caie
casual
Family nicknames
Caskins
endearment
Casius carries 7 common short forms — Cas, Casi, and Casiy. The list splits into 1 office-safe pick and 5 playground-friendly options so you can match the moment.