Family name นินรัตน์ (นินรัตน์ 
) , around the world, is an extremely rare last name. The family name นินรัตน์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More frequently, นินรัตน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| นินรัตน์ | Thailand |