Family name ตัณฑสมิทธ์ (ตัณฑสมิทธ์ 
) , around the world, is an extremely rare cognomen. The surname ตัณฑสมิทธ์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ตัณฑสมิทธ์ | Thailand |