T. S. Nandakumar (born on 17 March 1958) is a well known Indian versatile carnatic music percussionist. He is primarily adept in playing the mridangam.

T. Shankaranaryanan Nandakumar (T. S. Nandakumar) was born on 17 March 1958 in Ambalappuzha, Kerala, India. He is the son of Balakrishna Panicker and Shrimati Saraswati. He comes from the family of the well known nadaswaram duo, the Ambalapuzha Brothers. A child prodigy, Nandakumar had only talent with which he conquered the world of music with his beats on the mridangam. He learnt mridangam under the guidance of Kaithavana Madhavdas in the gurukula samprada tradition and acquired proficiency as Laya Vidwan.

Nandakumar developed a strong interest in music when he was four years old. He gained a reputation as an accompanist to some well known names in carnatic music such as Semmangudi Srinivasa Iyer, M. D. Ramanathan, S. Ramanathan, R. K. Srikantan, Bhimsen Joshi, M. Balamuralikrishna,