T. S. Radhakrishnan (born November 5, 1957) is an Indian composer and music producer of devotional music and film music from Ernakulam, Kerala. He has composed over 150 devotional albums.^[1] His albums have been collaborations with leading Indian singers such as K. J. Yesudas, P. Leela, P. Susheela, S. Janaki, P. Jayachandran, K. S. Chithra, Hariharan, Manjari, Unni Menon, among others.^[1] He has collaborated on more than 200 albums. Most of his songs were written by R. K. Damodaran, P. C. Aravindan and Chowallur Krishnankutty .^[2]

He was trained in Carnatic music by Tripunithura K.C. Kalyanasundaram Bhagavathar,^[1] Tanjore Subramania Bhagavathar,^[3] and Dr. S. Ramanathan.^[1]

He composed his first album “Harisri Prasadam” with ten songs in 1980 collaborating with Malayalamlyricist R. K. Damodaran and singers P Jayachandran, Kanhagad Ramachandran, Kavalam Sreekumar, Junior Mehaboob and Usha Manoharan.^[1] His earliest collaborations with K. J. Yesudas were the albums “Thulasi Theertham” in 1986,^[4]“Ganga Theertham Vol. 1” in 1989 ^[5], both produced by Yesudas’ label Tharangini Records.

Radhakrishnan played bass guitar for the western music band Hijackers for eight years before he began composing devotional music.^[1]