Surname จรรยงค์วรกุล (จรรยงค์วรกุล 
) , all around the world, is a very rare cognomen. The surname จรรยงค์วรกุล is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| จรรยงค์วรกุล | Thailand |