Cognomen Marquias (Marquias 
) , in all the world, is a very rare surname. The cognomen Marquias is habitual in Brazil, where it is a very rare surname, Venezuela, where it is an extremely rare surname, and Philippines. Much less frequently, Marquias is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Marquias | Brazil, Spain, Philippines, United States, Peru |