Cognomen Меркис (Merkis 
, Меркис 
) , across the world, is a rare family name. The family name Меркис is characteristic of Venezuela, where it is a rare surname, Bulgaria, and Poland. In absolute terms, it most frequently occurs in Russia, Venezuela, and Poland. Also, Меркис is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Merkis | United Kingdom, Dominican Republic, United States, Poland, Venezuela |
| Меркис | Kyrgyzstan, Russia, Ukraine, Belarus |
| меркис, альфонсас ионович botanist (1927-2016), LT (b. 1927) |
|