Family name พนาวัฒน์ (Panawat 
, Panavat 
, พนาวัฒน์ ) , in all the world, is a very rare last name. The surname พนาวัฒน์ is habitual in Thailand, where it is a very rare surname, and India, where it is an extremely rare surname. Predominantly, พนาวัฒน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Panawat | United States, Thailand |
| Panavat | India, Thailand |
| พนาวัฒน์, Pauntawat | Thailand |
Phanawat, Phannawat, Phannawath, and Phanwat