Surname จงกลดี (จงกลดี 
, Be Good 
) , all over the world, is a very rare last name. The last name จงกลดี is habitual in Thailand, where it is a very rare surname, and France. Much less frequently, จงกลดี is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| จงกลดี | Thailand |
| Be Good | France |