Family name ดวนใจ (ดวนใจ 
) , in all the world, is an extremely rare surname. The last name ดวนใจ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More frequently, ดวนใจ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ดวนใจ | Thailand |