Cognomen Palma-Mercado (Palma-Mercado 
) , in all the world, is an extremely rare last name. The surname Palma-Mercado is habitual in Northern America, particularly the United States, where it is an extremely rare surname. Parts of the name also exists independently as a last name Palma, and a last name Mercado.
| VARIANT | COUNTRY |
|---|---|
| Palma-Mercado | United States |