Cognomen طوان (Tavan 
, طوان 
, Таван 
) , globally, is quite a rare last name. The surname طوان is habitual in Luxembourg, where it is quite a rare surname, Turkey, and France, where it is a rare surname. Not in comparison with a country's population, it is commonest in Turkey, France, and India. Also, طوان is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tavan | Iraq, France, Italy, India, Turkey |
| طوان | Iraq, Yemen |
| Таван | Kyrgyzstan |