Mumbai South Lok Sabha constituency is one of the 48 Lok Sabha (parliamentary) constituencies of Maharashtra state in western India.

Presently, after the implementation of the Presidential notification on delimitation on 19 February 2008, Mumbai South Lok Sabha constituency comprises six Vidhan Sabha (legislative assembly) segments. These segments are:

#	Name	District	Member	Incumbent (2019 Assembly)		Leading (2024 Lok Sabha)
182	Worli	Mumbai City	Aditya Thackeray		SS(UBT)		SS(UBT)
183	Shivadi		Ajay Choudhari		SS(UBT)		SS(UBT)
184	Byculla		Yamini Jadhav		SS		SS(UBT)
185	Malabar Hill		Mangal Prabhat Lodha		BJP		SS
186	Mumbadevi		Amin Patel		INC		SS(UBT)
187	Colaba		Rahul Narvekar		BJP		SS

Year	Name	Party
1952	S. K. Patil		Indian National Congress
1957
1962
1967	George Fernandes		Samyukta Socialist Party
1971	Kailas Narain Narula Shivnarain		Indian National Congress
1977	Ratansingh Rajda		Janata Party
1980
1984	Murli Deora		Indian National Congress
1989
1991
1996	Jayawantiben Mehta		Bharatiya Janata Party
1998	Murli Deora		Indian National Congress
1999	Jayawantiben Mehta		Bharatiya Janata Party
2004	Milind Deora		Indian National Congress
2009
2014	Arvind Sawant		Shiv Sena
2019
2024			Shiv Sena (UBT)

1951 Indian general election: Bombay City South

Party		Candidate	Votes	%	±%
	INC	Sadashiv Kanoji Patil	96,302	49.61
	Socialist	Purshottamdas Trikamdas	61,215	31.53
	Independent	Chunilal Bhaichand Mehta	33,387	17.20
Majority			35,087	18.08
Turnout			194,136	52.39
	INC win (new seat)

1957 Indian general election: Bombay City South

Party		Candidate	Votes	%	±%
	INC	Sadashiv Kanoji Patil	140,365	62.11	12.50
	ABJS	Anant Ganpat Mulgaokar	80,449	35.60	N/A
	Independent	Krishnarao Raghavendrarao Bengeri	5,186	2.29	N/A
Majority			59,916	26.51	8.43
Turnout			226,000	63.73	11.34
	INC hold		Swing	12.50

1962 Indian general election: Bombay City South

Party		Candidate	Votes	%	±%
	INC	Sadashiv Kanoji Patil	154,570	64.13	2.01
	Independent	Lalji Moreshwar Pendse	53,943	22.38	N/A
Majority			1,00,627	41.75	15.24
Turnout			2,41,028	58.41	5.32
	INC hold		Swing	2.01

1967 Indian general election: Bombay South

Party		Candidate	Votes	%	±%
	SSP	George Fernandes	147,841	48.50	New
	INC	Sadashiv Kanoji Patil	1,18,407	38.85	25.28
	ABJS	C. S. Agrawal	20,501	6.73	N/A
	PSP	M. Kotwal	11,661	3.83	N/A
Majority			29,434	9.65	32.10
Turnout			3,04,813	67.42	9.01
	SSP gain from INC		Swing	48.50

1971 Indian general election: Bombay South

Party		Candidate	Votes	%	±%
	INC	Kailas Narain Narula Shivnarain	138,408	47.10	8.25
	Independent	Naval Hormasji Tata	1,18,659	40.38	N/A
	SSP	George Fernandes	30,377	10.34	38.16
Majority			19,749	6.72	2.93
Turnout			2,93,850	62.87	4.55
	INC gain from SSP		Swing	8.25

1977 Indian general election: Bombay South

Party		Candidate	Votes	%	±%
	JP	Ratansinh Rajda	226,893	56.76	New
	INC	Ramanlal Chhotalal Ankleshwaria	1,62,499	40.65	6.45
Majority			64,394	16.11	9.39
Turnout			3,99,772	59.22	3.65
	JP gain from INC		Swing	56.76

1980 Indian general election: Bombay South

Party		Candidate	Votes	%	±%
	JP	Ratansingh Rajda	161,557	50.21	5.55
	INC(I)	Murli Deora	1,46,387	45.50	New
	JP(S)	Nazir Hakeem	7,077	2.20	New
Majority			15,170	4.71	11.40
Turnout			3,21,734	47.66	11.56
	JP hold		Swing	5.55

1984 Indian general election: Bombay South

Party		Candidate	Votes	%	±%
	INC	Murli Deora	200,152	60.18	14.68
	BJP	Jayawantiben Mehta	94,874	28.52	N/A
	JP	Ratansinh Rajda	29,196	8.78	41.43
Majority			1,05,278	31.66	26.95
Turnout			3,32,606	51.59	3.93
	INC gain from JP		Swing	14.68

Oct. 11, 1988: JANATA DAL formed following the Merger of Janata Party, Janata Party (Secular) Lok Dal, Indian National Congress (Urs) and Jan Morcha under the leadership of V.P.Singh.

1989 Indian general election: Bombay South

Party		Candidate	Votes	%	±%
	INC	Murli Deora	178,986	45.78	−14.40
	BJP	Premkumar Shankardutt Sharma	1,61,247	41.24	+12.72
	JD	Ratansinh Gokuldas Rajda	31,442	8.04	N/A
	Independent	Madhu Metta	11,243	2.88	N/A
Majority			17,739	4.54	−27.12
Turnout			3,90,967	54.28	+2.69
	INC hold		Swing	-14.40

1991 Indian general election: Bombay South

Party		Candidate	Votes	%	±%
	INC	Murli Deora	147,576	51.53	+5.75
	BJP	Premkumar Shankardutt Sharma	1,21,820	42.54	+1.30
	JD	Suresh Murari Narwekar	11,782	4.11	−3.93
Majority			25,756	8.99	+4.45
Turnout			2,86,364	38.65	−15.63
	INC hold		Swing	+5.75

1996 Indian general election: Mumbai South

Party		Candidate	Votes	%	±%
	BJP	Jayawantiben Mehta	138,831	44.68	+2.14
	INC	Murli Deora	1,15,623	37.21	−14.32
	SP	Marzban Patrawala	48,224	15.52	N/A
Majority			23,208	7.47	−1.52
Turnout			3,10,734
	BJP gain from INC		Swing	+2.14

1998 Indian general election: Mumbai South

Party		Candidate	Votes	%	±%
	INC	Murli Deora	178,597	52.59	+15.38
	BJP	Jayawantiben Mehta	1,57,532	46.39	+1.71
Majority			21,065	6.20	−1.27
Turnout			3,39,598
	INC gain from BJP		Swing	+15.38

1999 Indian general election: Mumbai South

Party		Candidate	Votes	%	±%
	BJP	Jayawantiben Mehta	144,945	47.84	+1.45
	INC	Murli Deora	1,34,702	44.46	−8.13
	SP	Aziz Lalani	19,128	6.31	−9.21
Majority			10,243	3.38	−2.82
Turnout			3,02,999
	BJP gain from INC		Swing	+1.45

2004 Indian general elections: Mumbai South

Party		Candidate	Votes	%	±%
	INC	Milind Deora	137,956	50.28	+5.82
	BJP	Jayawantiben Mehta	1,27,710	46.55	−1.29
	SP	Amin Solkar	3,957	1.44	−4.89
	BSP	Aziz Lalani	1,701	0.62	N/A
	JP	Suhail Dil Nawaz	1,693	0.62	N/A
	ABHM	Mahesh Gajanan Kulkarni	690	0.25	N/A
	Akhil Bharatiya Jan Sangh	Ramnayak Tiwari	651	0.24	N/A
Majority			10,246	3.73	+0.35
Turnout			2,74,360	44.22	+2.09
	INC gain from BJP		Swing	+5.82

2009 Indian general elections: Mumbai South

Party		Candidate	Votes	%	±%
	INC	Milind Deora	272,411	42.46	−7.82
	MNS	Bala Nandgaonkar	1,59,729	24.90	N/A
	SS	Mohan Rawale	1,46,118	22.78	N/A
	BSP	Mohammad Ali Abubakar Shaikh	33,799	5.27	N/A
	Independent	Meera H. Sanyal	10,157	1.58	N/A
Majority			1,12,682	17.56	+13.83
Turnout			6,41,571	40.36	−3.86
	INC hold		Swing	-7.82

2014 Indian general elections: Mumbai South

Party		Candidate	Votes	%	±%
	SS	Arvind Ganpat Sawant	374,609	48.04	+25.27
	INC	Milind Murli Deora	2,46,045	31.55	−10.91
	MNS	Bala Nandgaonkar	84,773	10.87	−14.03
	AAP	Meera Sanyal	40,298	5.17	N/A
	NOTA	None of the Above	9,573	1.23	N/A
Majority			1,28,564	16.49	−1.07
Turnout			7,79,741	52.48	+12.12
	SS gain from INC		Swing	+18.09

2019 Indian general elections: Mumbai South

Party		Candidate	Votes	%	±%
	SS	Arvind Ganpat Sawant	421,937	52.64
	INC	Milind Murli Deora	3,21,870	40.15
	VBA	Anil Choudhari	30,348	3.79
	NOTA	None of the above	15,115	1.89
Majority			1,00,067	12.49
Turnout			8,01,799	51.59
	SS hold		Swing

Shiv Sena (Uddhav Balasaheb Thackeray)'s Arvind Ganpat Sawant won the seat by defeating Shiv Sena's Yamini Jadhav by 52,673 votes. Sawant led against Jadhav in four Assembly Constituencies: Worli (6,715 votes), Sewri (16,903 votes), Mumbadevi (40,779 votes) and Byculla (46,066 votes). Whereas Jadhav led against Sawant in two Assembly Constituencies: Colaba (9,732 votes) and Malabar Hill (48,287 votes).

2024 Indian general elections: Mumbai South

Party		Candidate	Votes	%	±%
	SS(UBT)	Arvind Ganpat Sawant	395,655	51.18	New
	SS	Yamini Jadhav	3,42,982	44.36	8.28
	NOTA	None of the Above	13,411	1.73	0.16
Majority			52,673	6.81	5.68
Turnout			7,73,113	50.33	1.26
	SS(UBT) gain from SS		Swing

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18°58′N 72°50′E / 18.96°N 72.83°E / 18.96; 72.83