Last name จงตรอง (จงตรอง 
) , all around the world, is a rare family name. The surname จงตรอง is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, จงตรอง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| จงตรอง | Thailand |