Muthuraman Radhakrishnan (4 July 1929 – 16 October 1981) was an Indian actor who predominantly appeared in Tamil language films. He was a leading actor during the 1960s and 1970s and was fondly called as Navarasa Thilagam. He had paired with all the leading heroines of his time and acted in over a hundred films. Muthuraman's son Karthik is also a popular Tamil actor and politician, and his grandson Gautham Karthik is also an actor who made his debut in Kadal (2013). ()