Cognomen ธันดา (Thanda 
, ธันดา ) , in the entire world, is quite a common family name. The surname ธันดา is habitual in Myanmar, where it is quite a rare surname, Botswana, and Papua New Guinea. Not in comparison with a country's population, the name is most common in India, Myanmar, and South Africa. More prevalently, ธันดา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thanda | Myanmar, Papua New Guinea, South Africa, India, Thailand |
| ธันดา | Thailand |