Last name ญาณวัตน์ (ญาณวัตน์ 
) , all over the world, is an extremely rare cognomen. The cognomen ญาณวัตน์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Also, ญาณวัตน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ญาณวัตน์ | Thailand |