Worldwide, Sungja (Sungja 
) is a very rare epicene given name. The forename Sungja is characteristic of Northern America, particularly the United States, where it is an extremely rare gender-neutral name. Also, Sungja is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sungja | South Korea, United States, France, China, Canada |
| sungja cho researcher |
|