Surname Nillarat (Nillarat 
) , in the entire world, is a very rare cognomen. The last name Nillarat is characteristic of Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname. Likewise, Nillarat is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nillarat | United States, Thailand |