Last name วัณชนะ (วัณชนะ 
) , in all the world, is an extremely rare cognomen. The surname วัณชนะ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, วัณชนะ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| วัณชนะ | Thailand |