| Seondugu | |
| Translit Lang1: | Korean |
| Translit Lang1 Type: | Hangul |
| Translit Lang1 Info: | 선두구 |
| Translit Lang1 Type1: | Hanja |
| Translit Lang1 Info2: | Seondugu |
| Translit Lang1 Info3: | Sŏndugu |
| Translit Lang2 Type: | Hangul |
| Translit Lang2 Type1: | Hanja |
| Subdivision Type: | Country |
| Subdivision Name: | South Korea |
| Subdivision Type1: | Region |
| Seat Type: | Capital |
| Parts Type: | Administrative divisions |
| Parts Style: | para |
| P1: | 1 administrative dong |
| Leader Title: | Mayor |
| Area Total Km2: | 12.05 |
| Population Total: | 2857 |
| Population As Of: | 2011 |
| Population Density Km2: | 237 |
| Blank Name Sec1: | Dialect |
Seondugu is a dong, or precinct, in Geumjeong-gu, Busan, South Korea. It was created in 1998 when the former districts Seon-dong and Dugu-dong were amalgamated.