Family name Marenias (Marenias 
) , throughout the world, is a very rare surname. The family name Marenias is habitual in South-eastern Asia, particularly Philippines, where it is an extremely rare surname. Much less frequently, Marenias is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Marenias | Philippines |
Josephen, and Marteniano