| O. S. Manian | |
| Birth Date: | 1954 4, df=yes[1] |
| Birth Place: | Oradiyampulam, Thalainayar Town Panchayath, Nagapattinam, (Tamil Nadu) |
| Nationality: | Indian |
| Education: | P.U.C. (Class XII) |
| Alma Mater: | Khadir Mohideen College, Adirampattinam, Tamil Nadu |
| Occupation: | Politician & Agriculturist |
| Office: | Member of Tamil Nadu Legislative Assembly |
| Successor: | N. V. Kamaraj |
| Predecessor: | S. K. Vedarathinam |
| Term Start: | 2016 |
| Constituency: | Vedaranyam |
| Office1: | Member of Parliament, Lok Sabha |
| Term Start1: | 2009 |
| Term End1: | 2014 |
| Constituency1: | Mayiladuthurai |
| Successor1: | Mani Shankar Aiyar |
| Party: | All India Anna Dravida Munnetra Kazhagam |
| Spouse: | Kalaiselvi |
| Children: | 02 (Daughters) |
| Parents: | Somuthevar (father) & Kasambuammal (mother) |
O. S. Manian is a member of the 15th Tamil Nadu Legislative Assembly from Vedaranyam constituency. He is a staunch loyalist to AIADMK Supremo J Jayalalithaa. He previously represented the Mayiladuturai (Lok Sabha constituency) of Tamil Nadu and is a member of the All India Anna Dravida Munnetra Kazhagam political party.
J Jayalalithaa appointed Manian as Minister for Handlooms and Textiles in May 2016. This was his first cabinet post in the Government of Tamil Nadu.[2]
Manian has completed formal education only till XII standard. An agriculturist by profession, he has held various offices since 1995.OS Manian belongs to Agamudayar and currently the district Secretary of Aiadmk Nagapatinam.
| From | To | Position | |
|---|---|---|---|
| 1 | 1995 | 2001 | Member, Rajya Sabha |
| 2 | 2009 | 2014 | Member, 15th Lok Sabha |
| 3 | 31 Aug 2009 | 30 April 2014 | Member, Committee on Commerce |
| 4 | 31 Aug 2009 | 30 April 2014 | Member, Committee on Power |
| 5 | 23 Sep 2009 | 30 April 2014 | Member, Rules Committee |
| 6 | 2016 | 23 May 2016–present | Member, Tamil Nadu Legislative Assembly |
| 7 | 2016 | 23 May 2016 – 2021 | Minister for Handlooms and Textiles |