Last name Wasantha (Wasantha 
) , all around the world, is quite a common surname. The last name Wasantha is habitual in Sri Lanka, where it is quite a common surname, Qatar, where it is quite a rare surname, and Kuwait. Not in comparison with a country's population, the name is most common in Sri Lanka, Saudi Arabia, and Qatar. More prevalently, Wasantha is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wasantha | Kuwait, United Arab Emirates, Saudi Arabia, Sri Lanka, Qatar |