| Seongnam Bundang A | |
|---|---|
| Single-member constituency for the National Assembly | |
 Location of the constituency | |
| District(s) | Bundang District (part) |
| Region | Gyeonggi |
| Electorate | 214,158 (2024) |
| Current constituency | |
| Created | 2000 |
| Seats | 1 |
| Party | People Power Party |
| Member(s) | Ahn Cheol-soo |
| Created from | Seongnam Bundang |
Seongnam Bundang A (Korean: 성남시 분당구 갑) is a constituency of the National Assembly of South Korea. The constituency consists of portions of Bundang District, Seongnam. As of 2024, 214,158 eligible voters were registered in the constituency. The constituency was created in 2000 from the Seongnam Bundang constituency.