| Seondo-dong | |
| Translit Lang1: | Korean |
| Translit Lang1 Type: | Hangul |
| Translit Lang1 Info: | 선도동 |
| Translit Lang1 Type1: | Hanja |
| Translit Lang1 Info1: | 仙桃洞 |
| Translit Lang1 Info2: | Seondo-dong |
| Translit Lang1 Info3: | Sŏnto-tong |
| Translit Lang2 Type: | Hangul |
| Translit Lang2 Type1: | Hanja |
| Subdivision Type: | Country |
| Subdivision Name: | South Korea |
| Subdivision Type1: | Region |
| Subdivision Name1: | Gyeongju |
| Seat Type: | Capital |
| Parts Style: | para |
| Government Type: | Gyeongju City |
| Leader Title: | Mayor |
| Area Total Km2: | 28.00 |
| Population Footnotes: | [1] |
| Population Total: | 13587 |
| Population As Of: | 2008 |
| Population Density Km2: | auto |
| Blank Name Sec1: | Dialect |
| Blank Info Sec1: | Gyeongsang dialect |
Seondo-dong is an administrative dong or neighbourhood in the administrative subdivisions of the Gyeongju City, North Gyeongsang province, South Korea. It consists of four legal dongs such as Seoak-dong, Chunghyo-dong, Hyohyeon-dong, and Gwangmyeong-dong. It is bordered by Seonggeon-dong and Tapjeong-dong on the east, Geoncheon-eup on the south and west and Hyeongok-myeon on the north. Its 28.00 square kilometers are home to about 13,587 people. This population is served by an elementary school, a middle school and a joint middle-high school, two high schools, a junior college, a university and a vocational school.[2]