Cognomen นิลพัทธ์ (Nillapat 
, นิลพัทธ์ , Nilphat ) , across the world, is a rare last name. The last name นิลพัทธ์ is characteristic of Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, นิลพัทธ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nillapat | United States, Thailand |
| Nilphat, นิลพัทธ์ | Thailand |