| Dongsomun-dong | |
| Translit Lang1: | Korean |
| Translit Lang1 Type: | Hangul |
| Translit Lang1 Info: | 동소문동 |
| Translit Lang1 Type1: | Hanja |
| Translit Lang1 Info2: | Dong so mun-dong |
| Translit Lang1 Info3: | Tong so mun-tong |
| Translit Lang2 Type: | Hangul |
| Translit Lang2 Type1: | Hanja |
| Coordinates: | 37.592°N 127.011°W |
| Subdivision Type: | Country |
| Subdivision Name: | South Korea |
| Subdivision Type1: | Region |
| Seat Type: | Capital |
| Parts Style: | para |
| Leader Title: | Mayor |
| Area Total Km2: | 0.29 |
| Population Total: | 12072 |
| Population As Of: | 2001 |
| Population Density Km2: | auto |
| Blank Name Sec1: | Dialect |
Dongsomun-dong is a dong (neighborhood) of Seongbuk District, Seoul, South Korea.[1] [2]