Cognomen เลิศนคร (เลิศนคร 
, Lurdnakrob, Lertakakorn ) , throughout the world, is a very rare last name. The cognomen เลิศนคร is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, เลิศนคร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| เลิศนคร, Lertakakorn | Thailand |