S. Andi Thevar was an Indian politician and a former member of the Tamil Nadu Legislative Assembly. He was born on June 1, 1934, in P. Kalappanpatti.
He completed his schooling in Usilampatti, pursued his collegiate education at St. Xavier's College, Palayamkottai, and obtained his law degree from the Madras Law College. A member of the All India Forward Bloc party, he was elected to the Tamil Nadu Legislative Assembly from the Usilampatti Assembly constituency in the 1980 general elections.