Family name Mathiias (Mathiias 
) , all over the world, is a very rare surname. The family name Mathiias is habitual in Nigeria, where it is a very rare surname, and Brazil, where it is an extremely rare surname. Likewise, Mathiias is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mathiias | Uruguay, Brazil, India, France, Nigeria |