Last name วัสสระ (Watsara 
, Wassara 
, วัสสระ ) , worldwide, is a very rare cognomen. The last name วัสสระ is characteristic of Thailand, where it is a very rare surname, and Israel. Much less frequently, วัสสระ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Watsara | United States, Thailand |
| Wassara | Philippines, Brazil, Israel, Thailand |
| วัสสระ | Thailand |