Family name ตวันนา (Tawana 
, ตวันนา 
) , in the entire world, is quite a rare last name. The family name ตวันนา is characteristic of Botswana, where it is quite a common surname, Namibia, where it is quite a rare surname, and Afghanistan. In absolute terms, it is the most numerous in South Africa, Afghanistan, and Botswana. More frequently, ตวันนา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tawana | Botswana, Afghanistan, United States, Zimbabwe, South Africa |
| ตวันนา | Thailand |