Family name จวนใจ (จวนใจ 
) , all around the world, is a very rare last name. The family name จวนใจ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, จวนใจ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| จวนใจ | Thailand |