Family name ທະນສອນ (ທະນສອນ 
) , all around the world, is a rare last name. The cognomen ທະນສອນ is characteristic of South-eastern Asia, particularly Laos, where it is quite a rare surname. Also, ທະນສອນ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ທະນສອນ | Laos |