Radha Viswanathan, born on October 2, 1939, in Madras (now Chennai), India, is a renowned Carnatic vocalist and disciple of the legendary M. S. Subbulakshmi. She is celebrated for her purity of tone, adherence to tradition, and significant contributions to the dissemination of Carnatic music through her performances and recordings. Viswanathan is married and has children, continuing the rich musical legacy of her family.