Last name วงศ์กุศลเลิศ (วงศ์กุศลเลิศ, Wongkusollert 
) , in the entire world, is a very rare surname. The family name วงศ์กุศลเลิศ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Wongkusollert | Thailand |