Cognomen จงจิตร (จงจิตร 
, Jongjit 
, Chongchit 
) , in the entire world, is quite a rare last name. The last name จงจิตร is characteristic of Thailand, where it is quite a rare surname, United Arab Emirates, where it is a rare surname, and Malaysia, where it is a very rare surname. Also, จงจิตร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| จงจิตร | Thailand |
| Jongjit | Thailand, Malaysia, United Kingdom, United States, India |
| Chongchit | Australia, Thailand, Malaysia, United States, United Arab Emirates |