Last name นิลประพัฒ (นิลประพัฒ 
) , all over the world, is a very rare surname. The last name นิลประพัฒ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, นิลประพัฒ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| นิลประพัฒ | Thailand |