Cognomen นิมรัตน์ (นิมรัตน์ 
) , globally, is a very rare surname. The surname นิมรัตน์ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, นิมรัตน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| นิมรัตน์ | Thailand |