In all the world, マテイ (Matej 
, Matei 
, Matey 
) is a common predominantly boy's, but very infrequently female given name. The first name マテイ is habitual in Croatia, where it is a common boy's name, Slovenia, and Slovakia, where it is quite a common masculine name (explore the name in all countries). In absolute terms, it is the most numerous in Croatia, Romania, and Slovakia. Likewise, マテイ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Matej | Czechia, Croatia, United States, Slovenia, Slovakia |
| Matei | Romania, Nicaragua, Croatia, Moldova, Tanzania |
| Matey | Romania, Nicaragua, Ghana, Tanzania, India |
| マテイ | Japan |
Mach, Maciej, Maciek, Maciuś, Madis, Maffeo, Maffio, Matas, Mate, Mateo, Mateu, Mateus, Mateusz, Mateuszek, Matfei, Mathew, Mathias, Mathieu, Mathijs, Mathis, Mati, Matiass, Maties, Matija, Matitjahu, Matityahu, Matjaž, Matteo, Matteus, Matthew, Matthias, Matthieu, Matthijs, Matthäus, Matti, Mattia, Mattias, Mattis, Mattityahu, Matvei, Matvej, Matvey, Matveï, Matwei, Matyáš, Matías, Matúš, Matěj, Mazzeo, Maćko,