Nicknames for Cassiopeia
12 nicknames, sorted by where they actually get used.
Office-safe
Cas
formal
Cass
formal
Eia
formal
Peia
formal
Playground-friendly
Cassy
casual
Cassie
casual
Cassi
casual
Cassiy
casual
Cassiie
casual
Eiay
casual
Eiaie
casual
Cay
casual
Cassiopeia carries 12 common short forms — Cas, Cass, and Cassy. The list splits into 4 office-safe picks and 8 playground-friendly options so you can match the moment.