Surname Wianphanitkun (Wianphanitkun 
) , globally, is a very rare cognomen. The last name Wianphanitkun is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Wianphanitkun | Thailand |
Khomkai, Phadungsak, and Thikhamporn