Cognomen Santhos (Santhos 
) , across the world, is a rare family name. The family name Santhos is habitual in El Salvador, where it is quite a rare surname, Qatar, where it is a rare surname, and Oman. Measured by absolute frequency, this name is the most popular in Saudi Arabia, India, and El Salvador. More frequently, Santhos is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Santhos | Myanmar, India, Sri Lanka, El Salvador, Saudi Arabia |