Cognomen ดลสา (Donsa 
, ดลสา ) , all over the world, is a rare surname. The surname ดลสา is characteristic of Austria, where it is a rare surname, South Africa, and Thailand. Also, ดลสา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Donsa | Ethiopia, South Africa, Austria, Thailand, India |
| ดลสา | Thailand |