| Nowon B | |
|---|---|
| Single-member constituency for the National Assembly | |
 Location of the constituency | |
| District(s) | Nowon District (part) |
| Region | Seoul |
| Electorate | 211,043 (2024) |
| Current constituency | |
| Created | 1988 |
| Seats | 1 |
| Party | Democratic Party |
| Member(s) | Kim Sung-hwan |
| Created from | Dobong |
Nowon B (Korean: 노원구 을) is a constituency of the National Assembly of South Korea. The constituency consists of parts of Nowon District, Seoul. As of 2024, 211,043 eligible voters were registered in the constituency. The constituency was created in 1988 from the Dobong constituency.