Surname Santos Jacinto (Santos Jacinto 
) , around the world, is a very rare cognomen. The last name Santos Jacinto is characteristic of Portugal, where it is a very rare surname, Ecuador, and Spain. More frequently, Santos Jacinto is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Santos Jacinto | Peru, Portugal, Ecuador, Spain, Costa Rica |