Family name Chandrawansa (Chandrawansa 
) , globally, is a rare last name. The last name Chandrawansa is characteristic of Sri Lanka, where it is quite a rare surname, United Arab Emirates, where it is a rare surname, and Australia, where it is a very rare surname. Much less frequently, Chandrawansa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chandrawansa | Australia, United States, Sri Lanka, United Arab Emirates, Canada |