Family name จงวัฒน์ (จงวัฒน์ 
, Chongwat ) , throughout the world, is a rare last name. The last name จงวัฒน์ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, จงวัฒน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| จงวัฒน์, Chongwat | Thailand |