Cognomen Duangbansao (Duangbansao 
) , around the globe, is a very rare last name. The family name Duangbansao is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Duangbansao | Thailand |
Sakchai, Anchalee, Chanadda, Thanyalak, and Chantasing