Surname ธาวัน (Thawan 
, ธาวัน ) , across the world, is a rare family name. The cognomen ธาวัน is characteristic of Kuwait, where it is quite a rare surname, Thailand, where it is a rare surname, and Malaysia, where it is a very rare surname. More frequently, ธาวัน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thawan | Malaysia, Kuwait, Thailand, Myanmar, Brazil |
| ธาวัน | Thailand |