| Seosomun-dong | |
| Translit Lang1: | Korean |
| Translit Lang1 Type: | Hangul |
| Translit Lang1 Info: | 서소문동 |
| Translit Lang1 Type1: | Hanja |
| Translit Lang1 Info2: | Seosomun dong |
| Translit Lang1 Info3: | Sŏsomun dong |
| 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 |
| Blank Name Sec1: | Dialect |
Seosomun-dong is a legal dong, or neighbourhood of the Jung-gu district in Seoul, South Korea and governed by its administrative dong, Sogong-dong.[1]
Air China has an office on the 1st and 2nd floors of the Hansuang Building in Seosomun-dong.[2]