Surname วิภาคย์พจนกิจ (วิภาคย์พจนกิจ 
) , in the entire world, is a very rare family name. The cognomen วิภาคย์พจนกิจ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| วิภาคย์พจนกิจ | Thailand |