Across the world, Tharmarasa (Tharmarasa 
) is a rare male first name. The forename Tharmarasa is habitual in Southern Asia, particularly Sri Lanka, where it is a rare masculine name. Very seldom, Tharmarasa is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Tharmarasa | Norway, United Kingdom, Sri Lanka, Malaysia, France |