Family name จงวรณ์ธรรม (จงวรณ์ธรรม 
) , around the world, is an extremely rare cognomen. The surname จงวรณ์ธรรม is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| จงวรณ์ธรรม | Thailand |