Jamunamukh Assembly Constituency was one of the 126 assembly constituencies of Assam a north east state of India. Jamunamukh was also part of Nowgong Lok Sabha constituency.

A new constituency, Binnakandi, has been created in Jamunamukh with redrawn boundaries, now part of Kaziranga parliamentary constituency instead of Nagaon.

• 1951: Bimala Kanta Bara, Indian National Congress
• 1957: Maulavi Rahimuddin Ahmed, Indian National Congress
• 1962: Begum Afia Ahmed, Indian National Congress
• 1967: L.P. Goswami, Indian National Congress
• 1972: Debendra Nath Bora, Indian National Congress
• 1978: Mujamil Ali Choudhury, Janata Party
• 1983: Mohammad Farman Ali, Indian National Congress
• 1985: Abdul Jalil Ragibi, Independent
• 1991: Abdul Jalil Ragibi, Indian National Congress
• 1996: Khalilur Rahman Chowdhury, Asom Gana Parishad
• 2001: Khalilur Rahman Chowdhury, Asom Gana Parishad
• 2006: Badruddin Ajmal, All India United Democratic Front
• 2006 (by elections): Sirajuddin Ajmal, All India United Democratic Front
• 2011: Sirajuddin Ajmal, All India United Democratic Front
• 2014 (by elections): Abdur Rahim Ajmal, All India United Democratic Front
• 2016: Abdur Rahim Ajmal, All India United Democratic Front
• 2021: Sirajuddin Ajmal ;All India United Democratic Front

2016 Assam Legislative Assembly election: Jamunamukh

Party		Candidate	Votes	%	±%
	AIUDF	Abdur Rahim Ajmal	65,599	42.57	−9.54
	Independent	Rejaul Karim Chowdhury	52,394	34.00	N/A
	INC	Bashiruddin Laskar	23,849	15.47	−17.39
	AGP	Ziauddin Ahmed	4,732	3.07	N/A
	Independent	Badar Uddin	1,956	1.26	−0.57
	Independent	Abdul Wahid	904	0.58	N/A
	Independent	Shamal Das	756	0.49	N/A
	Independent	Sumitra Borah	653	0.42	N/A
	Independent	Jugal Bodo (Dilu)	611	0.39	N/A
	JCP	Nurul Hoque	489	0.31	N/A
	JMBP	Sumti Bora	309	0.20	N/A
	Independent	Minaz Uddin	266	0.17	N/A
	Independent	Basir Uddin	233	0.15	N/A
	Independent	Kamal Uddin	208	0.13	N/A
	NOTA	None of the above	1,129	0.73	N/A
Majority			13,205	8.57	−10.68
Turnout			1,54,088	84.28	+10.10
	AIUDF hold		Swing

2014 by-election: Jamunamukh

Party		Candidate	Votes	%	±%
	AIUDF	Abdur Rahim Ajmal	62,153	52.11
	INC	Bashir Uddin Laskar	39,194	32.86
	BJP	Bilal Uddin	13,868	11.63
	Independent	Bodor Uddin	2,184	1.83
	Independent	Ranjit Debnath	589	0.49
	SUCI(C)	Sona Ram Bora	559	0.47
	Independent	Moulana Motahir Ali	392	0.33
	Independent	Prafulla Saikia	341	0.29
Majority			22,959	19.25
Turnout			1,19,280	74.18
	AIUDF hold		Swing

2011 Assam Legislative Assembly election: Jamunamukh

Party		Candidate	Votes	%	±%
Majority
Turnout
	AIUDF hold		Swing

• Jamunamukh
• Hojai district
• List of constituencies of Assam Legislative Assembly

• "Results of all Assam Assembly elections". eci.gov.in. Election Commission of India. Retrieved 15 March 2022.

26°07′N 92°45′E / 26.11°N 92.75°E / 26.11; 92.75