Surname ทันวา (Tanwar 
, ทันวา 
) , in all the world, is a common last name. The surname ทันวา is habitual in Western Asia, particularly Oman, where it is quite a common surname, United Arab Emirates, where it is quite a rare surname, and Bahrain. Not in comparison with a country's population, it is the most numerous in India, Saudi Arabia, and United Arab Emirates. Very seldom, ทันวา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tanwar | United Arab Emirates, Saudi Arabia, Pakistan, Oman, India |
| ทันวา | Thailand |