Family name ทิมวัฒน์ (ทิมวัฒน์ 
, Timwat 
) , all around the world, is a rare surname. The surname ทิมวัฒน์ is characteristic of Philippines, where it is a rare surname, Thailand, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ทิมวัฒน์ | Thailand |
| Timwat | United States, Thailand, Philippines |