Surname พิลาวัลย์ (Pilawan 
, พิลาวัลย์ , Pilavan ) , in the entire world, is quite a rare cognomen. The family name พิลาวัลย์ is characteristic of Thailand, where it is a rare surname, and India, where it is a very rare surname. Likewise, พิลาวัลย์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pilawan | United States, India, Thailand |
| พิลาวัลย์ | Thailand |
| Pilavan | India, Thailand |
| Philawan | United States, Thailand |