Family name ทั่ง (Anvar 
, Thang 
, ทั่ง) , in the world, is a widespread cognomen. The last name ทั่ง is habitual in Myanmar, where it is quite a common surname, Malaysia, and Macao (explore the name in all countries). Measured by absolute frequency, it is the most numerous in Myanmar, India, and Malaysia. More frequently, ทั่ง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Anvar | Malaysia, Azerbaijan, India, Myanmar, Uzbekistan |
| Thang | Malaysia, India, Vietnam, Mongolia, Myanmar |