Cognomen Jongboon (Jongboon 
) , around the globe, is a very rare surname. The last name Jongboon is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, Jongboon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jongboon | Canada, United States, Thailand |