Family name ญาณวรรธน์ภูมน (ญาณวรรธน์ภูมน 
) , in the world, is an extremely rare last name. The surname ญาณวรรธน์ภูมน is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ญาณวรรธน์ภูมน | Thailand |