| Gyeyang B | |
|---|---|
| Single-member constituency for the National Assembly | |
 Location of the constituency | |
| District(s) | Gyeyang District |
| Region | Incheon |
| Electorate | 137,090 (2022) |
| Current constituency | |
| Created | 2004 |
| Seats | 1 |
| Party | Democratic Party |
| Member(s) | Lee Jae-myung |
| Created from | Gyeyang (constituency) |
Gyeyang B (Korean: 계양구 을) is a constituency of the National Assembly of South Korea. The constituency consists of part of Gyeyang District, Incheon. As of 2022, 137,090 eligible voters were registered in the constituency.