M. K. Radha (20 November 1910 - 29 August 1985) was an Indian actor who worked mainly in Tamil cinema. He was born in Chennai and took up acting in Tamil stage at the age of 7. He was tutored by his father Kandasamy Mudaliar a famous drama teacher at that time. His career spanned for almost 25 years in Tamil drama as a lead actor during India´s pre-independence days and he was a popular social hero in various patriotic dramas.