Family name เลิศวงษ์ (เลิศวงษ์ 
) , all around the world, is a very rare last name. The surname เลิศวงษ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, เลิศวงษ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| เลิศวงษ์ | Thailand |