Family name Jongsook (Jongsook 
) , in the entire world, is a very rare surname. The cognomen Jongsook is characteristic of Thailand, where it is a very rare surname, China, where it is an extremely rare surname, and the United States. Predominantly, Jongsook is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jongsook | South Korea, United States, Thailand, China, Germany |
| hathaichanok jongsook |
|