| Sinjeong-dong | |
| Translit Lang1: | Korean |
| Translit Lang1 Type: | Hangul |
| Translit Lang1 Info: | 신정동 |
| Translit Lang1 Type1: | Hanja |
| Translit Lang1 Info1: | 新亭洞 |
| Translit Lang1 Info2: | Sinjeong-dong |
| Translit Lang1 Info3: | Sinjŏng-tong |
| Translit Lang2 Type: | Hangul |
| Translit Lang2 Type1: | Hanja |
| Subdivision Type: | Country |
| Subdivision Name: | South Korea |
| Subdivision Type1: | Region |
| Seat Type: | Capital |
| Parts Style: | para |
| Leader Title: | Mayor |
| Area Total Km2: | 6.93 |
| Population Total: | 182755 |
| Population As Of: | 2001 |
| Population Density Km2: | auto |
| Blank Name Sec1: | Dialect |
Sinjeong-dong is a dong (neighbourhood) of Mapo District, Seoul, South Korea.[1]