Nicknames for Mathieu
3 nicknames, sorted by where they actually get used.
Office-safe
Math
formal
Tieu
formal
Playground-friendly
Mati
casual
Mathieu carries 3 documented short forms — Math, Mati, and Tieu — drawn from its French-origin roots. The list splits into 2 office-safe picks and 1 playground-friendly option so you can match the moment.