Muzaffarpur Lok Sabha constituency is one of the 40 Lok Sabha (parliamentary) constituencies in the Indian state of Bihar.

Vidhan Sabha segments

#	Name	District	Member	Party		2019 lead
88	Gaighat	Muzaffarpur	Niranjan Roy		RJD		BJP
89	Aurai		Ram Surat Kumar		BJP		BJP
91	Bochahan (SC)		Amar Paswan		RJD		BJP
92	Sakra (SC)		Ashok Kumar Choudhary		JDU		BJP
93	Kurhani		Kedar Prasad Gupta		BJP		BJP
94	Muzaffarpur		Bijendra Chaudhary		INC		BJP

Members of Parliament

• 1952: Shyam Nandan Sahay, Indian National Congress (Muzaffarpur-Central)
• 1952: Awadeshwar Prasad Sinha, Indian National Congress (Muzaffarpur-East)
• 1952: Chandeshwar Prasad Narayan Singh, Indian National Congress (Muzaffarpur-North West)
• 1952: Digvijay Narain Singh, Indian National Congress (Muzaffarpur-North East)
• 1952: Rameshwar Sahu, Indian National Congress (Muzaffarpur cum Darbhanga)
• 1952: Rajeshwara Patel, Indian National Congress (Muzaffarpur cum Darbhanga)

Year	Name	Party
1957	Shyam Nandan Sahay		Indian National Congress
1957^	Asoka Mehta		Praja Socialist Party
1962	Digvijay Narain Singh		Indian National Congress
1967
1971	Nawal Kishore Sinha
1977	George Fernandes		Janata Party
1980			Janata Party (Secular)
1984	Laliteshwar Prasad Shahi		Indian National Congress
1989	George Fernandes		Janata Dal
1991
1996	Jai Narain Prasad Nishad
1998			Rashtriya Janata Dal
1999			Janata Dal (United)
2004	George Fernandes
2009	Jai Narain Prasad Nishad
2014	Ajay Nishad		Bharatiya Janata Party
2019
2024	Raj Bhushan Choudhary

^ by-poll

Election results

2024

General Election, 2024: Muzaffarpur

Party		Candidate	Votes	%	±%
	BJP	Raj Bhusan Chaudhary
	INC	Ajay Nishad
Turnout			{{{votes}}}

2019

General Election, 2019: Muzaffarpur

Party		Candidate	Votes	%	±%
	BJP	Ajay Nishad	666,878	63.03	+13.57
	VIP	Raj Bhusan Chaudhary	2,56,890	24.28	+24.28
	AIFB	Anirudh Singh	2,543	0.1%	0.1%
	NOTA	None Of The Above	9,690	1.02	+1.02
Margin of victory			4,09,988	63.03	13.57
Turnout			10,58,507	61.71
	BJP hold		Swing	+63.03

General Election 2014

General Election, 2014: Muzaffarpur

Party		Candidate	Votes	%	±%
	BJP	Ajay Nishad	4,69,295	49.46	+49.46
	INC	Akhilesh Prasad Singh	2,46,873	26.02	+8.60
	JD(U)	Bijendra Chaudhary	85,140	8.97	-22.40
	SHS	Ashok Kumar Jha	19,945	2.10	+2.10
	RAJVP	Raghvendra Pratap Singh	13,283	1.40	+1.40
	NOTA	None Of The Above	9,690	1.02	+1.02
Margin of victory			2,22,422	23.44	+15.76
Turnout			9,48,887	63.10	+16.69
	BJP gain from JD(U)		Swing	+49.46

Lok Sabha Election 2009

General Election, 2009: Muzaffarpur

Party		Candidate	Votes	%	±%
	JD(U)	Jai Narain Prasad Nishad	195,091
	LJP	Bhagwanlal Sahni	147,282
	INC	Vinita Vijay	108,306
	Independent	Vijendra Chaudhary	44,349
	Independent	George Fernandes	22,804
	Independent	Ashok Kumar Lalan	13,450
	BSP	Sameer Kumar	12,195
	Independent	Ahmad Raza	9,638
	RVMP	Md. Saleem	9,524
	JGR	Reyaj Ahmad Atish	7,356
	CPI(ML)L	Jitendra Yadav	6,840
	Independent	Syed Alamdar Hussain	5,597
	RASED	Mithilesh Kumar	5,353
	RPP	Mahendra Prasad	4,632
	RKSP	Dinesh Kumar Kushwaha	4,079
	AIFB	Ram Dayal Ram	3,441
	Independent	Tarkeshwar Paswan	3,397
	PSS	Neelu Singh	3,272
	Independent	Sadanand Kishore Thakur	3,077
	BJKVP	Devendra Rakesh	2,888
	ABJS	Md. Rahamtullaha	2,778
	RDMP	Mohammad Shamim	2,230
	Independent	Shambhu Sahni	2,142
	Independent	Vinod Paswan	2,092
Majority			47,779
Turnout
	JD(U) hold		Swing

Lok Sabha Election 1980

• George Fernandes (Janata Party - Secular) : 195,510 votes
• Digvijay Narayan Singh (Janata Party) : 172,401 votes
• Congress in third place. Rajani Saha : 66,744

Lok Sabha Election 1977

• George Fernandes (Janata Party) : 396,687 votes (78.23%)
• Nitishwer Prasad Singh (Congress) : 62470 (12.32%). Lost by 334,217 votes.
• Ramdeo Sharma (CPI) : 26,408