Cognomen Santiyago (Santiyago 
) , around the world, is a rare last name. The last name Santiyago is habitual in Sri Lanka, where it is quite a rare surname, Malaysia, where it is an extremely rare surname, and India. Very seldom, Santiyago is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Santiyago | Philippines, Malaysia, India, Nigeria, Sri Lanka |