Cognomen วิเศษสุนทรสกุล (วิเศษสุนทรสกุล 
) , all around the world, is a very rare family name. The family name วิเศษสุนทรสกุล is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| วิเศษสุนทรสกุล | Thailand |