| Seongsan-dong | |
| Translit Lang1: | Korean |
| Translit Lang1 Type: | Hangul |
| Translit Lang1 Info: | 성산동 |
| Translit Lang1 Type1: | Hanja |
| Translit Lang1 Info1: | 城山洞 |
| Translit Lang1 Info2: | Seongsan-dong |
| Translit Lang1 Info3: | Sŏngsan-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 |
| Population As Of: | 2001 |
| Blank Name Sec1: | Dialect |
Seongsan-dong is a dong (neighbourhood) of Mapo District, Seoul, South Korea.[1] [2]