Family name Kerdsab (Kerdsab 
) , in the world, is a very rare last name. The last name Kerdsab is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kerdsab | Thailand |
Anawat, Piangta, Narunat, Wikanda, and Kriengkrei