Around the world, Матеу (Mateu 
, Matheu , Матеу 
) is quite a rare predominantly male, but very seldom female forename. The forename Матеу is characteristic of Namibia, where it is quite a rare male name, Spain, and South Africa, where it is a rare principally boy's, but very seldom feminine name. In absolute terms, this name is the most popular in Spain, South Africa, and Nigeria. Likewise, Матеу is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Matheu, Mateu | Spain, Honduras, Argentina, Guatemala, France |
| Матеу | Kazakhstan, Ukraine, Russia |
| Mateou | Cyprus, United States |
Mach, Maciej, Maciek, Maciuś, Madis, Maffeo, Maffio, Mate, Matej, Mateo, Mateus, Mateusz, Mateuszek, Matfei, Mathew, Mathias, Mathieu, Mathijs, Mati, Matiass, Matija, Matitjahu, Matityahu, Matjaž, Matteo, Matteus, Matthew, Matthias, Matthieu, Matthijs, Matthäus, Matti, Mattia, Mattias, Mattis, Mattityahu, Matvei, Matvej, Matvey, Matveï, Matwei, Matyeu, Matyáš, Matías, Matúš, Mazzeo, Maćko, Mátyás, Мадис, Мажев,