Cognomen Ramirez Sanmartin (Ramirez Sanmartin 
) , all around the world, is a very rare surname. The last name Ramirez Sanmartin is characteristic of Latin America and the Caribbean, particularly Ecuador, where it is a rare surname, and Colombia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ramirez Sanmartin | Colombia, Ecuador |