Family name จรรยาวุฒิ (จรรยาวุฒิ 
) , throughout the world, is a very rare cognomen. The last name จรรยาวุฒิ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, จรรยาวุฒิ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| จรรยาวุฒิ | Thailand |