Surname สีจง (Sijong 
, สีจง ) , in the entire world, is a rare last name. The family name สีจง is characteristic of Thailand, where it is a rare surname, Switzerland, where it is a very rare surname, and Malaysia. Much less frequently, สีจง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sijong | Thailand, Malaysia, United States, India, Switzerland |
| สีจง | Thailand |