Cognomen นิรัญดร (นิรัญดร 
) , around the world, is a very rare last name. The last name นิรัญดร is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, นิรัญดร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| นิรัญดร | Thailand |