Last name Santhosam (Santhosam 
) , in all the world, is a rare family name. The family name Santhosam is characteristic of Sri Lanka, where it is a rare surname, Malaysia, and India, where it is an extremely rare surname. Also, Santhosam is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Santhosam | Malaysia, India, United States, Sri Lanka, South Africa |