S. Thangavelu (born April 15, 1954) is an Indian politician and the former Member of Parliament in the Rajya Sabha. He was elected from Tamil Nadu representing the Dravida Munnetra Kazhagam Party. He had also served as a cabinet minister to Chief Minister Dr. M. Karunanidhi in 1989-1991 term.^[1]

S.Thangavelu was born in 1954 to U. Sangaramoorthy and S. Kaliammal at Sankarankovil in the Tirunelveli District. He had his primary school studies at Gandhi Nagar Municipality School and secondary school studies at Gomathiambal Government Boys High School in Sankarankovil. He went to St. Xavier's College in Palayamkottai for his Pre-University College studies. He studied Bachelor of Science in Agriculture at the reputed Tamil Nadu Agriculture And Research Institute in Madurai.

After graduation, he joined the State Agricultural Department as Agricultural Officer and deputed to Karamikudi of Pudukottai district.

In 1984, he resigned from his job to take part in active politics. He contested his first state assembly election in 1984 in Sankarankovil constituency of Tirunelveli District and lost the election by a narrow margin. On March 3, 1986, he was elected as vice-chairman of Sankarankovil municipality and served till March 3, 1991. In 1989 he contested in the Tamil Nadu state assembly election from Sankarankovil (State Assembly Constituency) and won with a huge margin. Honorable chief Minister of Tamil Nadu Dr. M. Karunanidhi appointed him in his cabinet as Minister for the Hand Loom Department with an additional charge of Minister for Urban Development Department till 1991. During his ministerial years, the Slum Clearance Board, Town Planning Board and the Rent Control Board were under his control. He also served as a chairman of Metropolitan Manila Development Authority (MMDA). On October 25, 1996, he was elected as Sankarankovil Municipality Chairman through a public election and served till October 24, 2001. He was again elected as Sankarankovil Municipality Chairman in 2001 and served till April 14, 2006. On June 10, 2010, he was elected as Raiya Sabha MP (Member Of Parliament) from Tamil Nadu through his party Dravida Munnetra Kazhagam (DMK). He took his oath on July 26, 2010, in the assembly's first session.^[2]

• Tirunelveli West District DMK Representative
• DMK Youth Wing Deputy Secretary
• DMK Tamilnadu State Adi Dravidar Welfare Member
• DMK Executive Council Member
• 1989–1991 : was Elected to Tamilnadu State Legislative Assembly (Ninth) for the 1st time
• 1989–1991 : was appointed as the Minister for Textiles and Urban Development in the Cabinet
• 1989–1991 : was appointed as the Chairman of MMDA
• 1996–2001 : was Elected as Chairman of Sankarankoil Municipality for the 1st time
• 2001–2006 : was Elected as Chairman of Sankarankoil Municipality for the 2nd time
• 2010–2016 : was nominated as Member of Parliament, Rajya Sabha