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