Last name เลิศไพบูลวณิช (เลิศไพบูลวณิช 
) , across the world, is a very rare cognomen. The surname เลิศไพบูลวณิช is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| เลิศไพบูลวณิช | Thailand |