Last name Thamasa (Thamasa 
) , around the world, is a very rare cognomen. The family name Thamasa is habitual in Thailand, where it is a very rare surname, Malaysia, where it is an extremely rare surname, and South Africa. Not in comparison with a country's population, the name is most common in Thailand, India, and South Africa. Much more prevalently, Thamasa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thamasa | South Africa, Malaysia, Thailand, United States, India |