Family name Santiago Erasmo (Santiago Erasmo 
) , around the globe, is an extremely rare cognomen. The family name Santiago Erasmo is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More prevalently, Santiago Erasmo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Santiago Erasmo | Peru, Ecuador, Chile, Costa Rica |