M. K. Radha (20 November 1910 - 29 August 1985) was a Tamil cinema actor. 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.