Nicknames for Theodore
5 nicknames, sorted by where they actually get used.
Office-safe
Theo
formal
Ed
formal
Playground-friendly
Teddy
casual
Teddi
casual
Eddie
casual
Theodore carries 5 documented short forms — Theo, Teddy, and Teddi — drawn from its English-origin roots. The list splits into 2 office-safe picks and 3 playground-friendly options so you can match the moment.