Globally, Маттис (Matthys 
, Mattis 
, Mattys ) is quite a common boy's forename. The first name Маттис is habitual in South Africa, where it is quite a rare boy's name, Sweden, where it is quite a rare principally male, but very seldom girly name, and Belgium. Measured by absolute frequency, it is commonest in South Africa, France, and Sweden. Likewise, Маттис is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Matthys, Mattys | Belgium, Germany, France, South Africa, United States |
| Mattis | Belgium, Germany, South Africa, Jamaica, United States |
| Маттис | Kazakhstan, Russia |
Mach, Maciej, Maciek, Maciuś, Madis, Maffeo, Maffio, Mate, Matej, Mateo, Mateu, Mateus, Mateusz, Mateuszek, Matfei, Mathew, Mathias, Mathies, Mathieu, Mathijs, Mathis, Mathys, Mati, Matiass, Maties, Matija, Matitjahu, Matityahu, Matjaž, Matteo, Matteus, Matthew, Matthias, Matthies, Matthieu, Matthijs, Matthäus, Matti, Mattia, Mattias, Mattityahu, Matvei, Matvej, Matvey, Matveï, Matwei, Matyáš, Matías, Matúš, Mazzeo,