Surname Mergis (Mergis 
) , in all the world, is an extremely rare cognomen. The cognomen Mergis is characteristic of Latin America and the Caribbean, particularly Venezuela, where it is a very rare surname, and Brazil, where it is an extremely rare surname. Much more prevalently, Mergis is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mergis | Spain, Venezuela, Bulgaria, Brazil, Democratic Republic of the Congo |