Nicknames for Mateusz
10 nicknames, sorted by where they actually get used.
Office-safe
Mat
formal
Mate
formal
Usz
formal
Playground-friendly
Matey
casual
Mateie
casual
Uszy
casual
Uszie
casual
May
casual
Maie
casual
Family nicknames
Matkins
endearment
Mateusz carries 10 common short forms — Mat, Mate, and Matey. The list splits into 3 office-safe picks and 6 playground-friendly options so you can match the moment.