Family name Samathi (Samathi 
) , in all the world, is a rare last name. The last name Samathi is habitual in Thailand, where it is a rare surname, France, where it is a very rare surname, and Malaysia. Not in comparison with a country's population, the name is most common in Thailand, France, and India. Very seldom, Samathi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Samathi | Malaysia, Thailand, France, India, United States |