Sitting and previous MLAs from Orathanadu Assembly Constituency

Below is the list of winners and runners-up in the Orathanadu assembly elections conducted so far.

Year	A C No.	Constituency Name	Category	Winner	Sex	Party	Votes	Runner Up	Gender	Party	Votes
2011	175	Orathanadu	GEN	R.Vaithilingam	M	AIADMK	91724	T.Mahesh Krishanasamy	M	DMK	59080
2006	181	Orathanadu	GEN	Vaithilingam.R	M	AIADMK	61595	Rajamanickam.P	M	DMK	57752
2001	181	Orathanadu	GEN	Vaithilingam. R	M	ADMK	63836	Rajamanickam. P.	M	DMK	43992
1996	181	Orathanadu	GEN	Rajamanickam P.	M	DMK	68213	Suriyamoorthy V.	M	ADMK	37864
1991	181	Orathanadu	GEN	Alaguthirunavukkabasu	M	ADK	68208	Ganesan L.	M	DMK	47328
1989	181	Orathanadu	GEN	Ganesan, L.	M	DMK	49554	Srinivasan, K.	M	ADK(JL)	27576
1984	181	Orathanadu	GEN	T. Veeraswamy	M	ADK	46717	L. Ganesan	M	DMK	42648
1980	181	Orathanadu	GEN	Veeraswamy, T.	M	INC(I)	47021	Thailappan, T. M.	M	ADK	45402
1977	181	Orathanadu	GEN	T.M. Thailappan	M	DMK	31866	N. Sivagananam	M	INC	26156
1971	187	Orathanadu	GEN	Ganesan L.	M	DMK	49269	Dhadayaudhapani	M	NCO	26283
1967	187	Orathanadu	GEN	L.Ganesan	M	DMK	45232	M.D.Pillai	M	INC	29139