Cognomen เลิศรส (เลิศรส 
, Laetrong , Lertraksa ) , worldwide, is a very rare family name. The surname เลิศรส is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, เลิศรส is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lertraksa, เลิศรส, Laetrong | Thailand |