Family name เลิศผดุงสุข (เลิศผดุงสุข 
) , in all the world, is a very rare cognomen. The family name เลิศผดุงสุข is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| เลิศผดุงสุข | Thailand |