Jungnang B
Single-member constituency for the National Assembly
Location of the constituency
District(s)	Jungnang District (part)
Region	Seoul
Electorate	192,315 (2016)
Current constituency
Created	1988
Seats	1
Party	Democratic Party
Member	Park Hong-keun
Created from	Dongdaemun

Jungnang B (Korean: 중랑구 을) is a constituency of the National Assembly of South Korea. The constituency consists of part of Jungnang District, Seoul. As of 2016, 192,315 eligible voters were registered in the constituency.

Legislative Election 2024: Jungnang B

Party		Candidate	Votes	%	±%
	Democratic	Park Hong-keun	73,600	57.72	1.56
	People Power	Lee Seung-hwan	53,898	42.27	4.20
Rejected ballots			1,664	–
Turnout			129,162	68.65	2.97
Registered electors			188,139
	Democratic hold		Swing

Legislative Election 2020: Jungnang B

Party		Candidate	Votes	%	±%
	Democratic	Park Hong-keun	74,131	59.28	15.0
	United Future	Yoon Sang-il	47,603	38.07	1.38
	Minjung	Lee So-young	1,956	1.56	new
	National Revolutionary	Shin Hwang-woo	722	0.57	new
	Korea Welfare	Min Jeong-gi	625	0.49	new
Rejected ballots			1,362	–
Turnout			126,399	65.68	6.82
Registered electors			192,460
	Democratic hold		Swing

• List of constituencies of the National Assembly of South Korea