Cognomen ธนะสาร (ธนะสาร 
) , in the entire world, is a rare surname. The family name ธนะสาร is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, ธนะสาร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ธนะสาร | Thailand |