C. Radhakrishnan (born 15 February 1939) is an Indian writer and film director in Malayalam-language from Kerala, India.

Chakkupurayil Radhakrishnan was born on 15 February 1939 in Chamravattam (a village in Tirur) in Malappuram district, which was then a part of the Madras Presidency of British India), to Parappur Madathil Madhavan Nair and Chakkupurayil Janaki Amma.

[1] He heard from his grandparents that Thunchaththu Ezhuthachan was an ancestor in his lineage, and this and other details of the information imparted to him formed the basis for creation of one of his works: the biography of Thunchaththu Ramanujan Ezhuthachan titled Theekkadal Kadanhu Thirumadhuram.

[2] Radhakrishnan wrote his first novel Nizhalppadukal at the age of 21 in 1959 while pursuing his post graduate degree.

[1] Radhakrishnan was editor of the Malayalam magazine Piravi published by the School of Bhagavad Gita.