| Dongja-dong | |
| Translit Lang1: | Korean |
| Translit Lang1 Type: | Hangul |
| Translit Lang1 Info: | 동자동 |
| Translit Lang1 Type1: | Hanja |
| Translit Lang1 Info1: | 東子洞 |
| Translit Lang1 Info2: | Dongja-dong |
| Translit Lang1 Info3: | Tongja-dong |
| Translit Lang2 Type: | Hangul |
| Translit Lang2 Type1: | Hanja |
| Coordinates: | 37.552°N 126.972°W |
| Subdivision Type: | Country |
| Subdivision Name: | South Korea |
| Subdivision Type1: | Region |
| Seat Type: | Capital |
| Parts Style: | para |
| Leader Title: | Mayor |
| Blank Name Sec1: | Dialect |
Dongja-dong is a dong (neighborhood) of Yongsan District, Seoul, South Korea. It is a legal dong (법정동) administered under its administrative dong (행정동), Namyeong-dong[1]