Panikkassery Keshavan Balakrishnan (March 2, 1925 – April 3, 1991) was an Indian novelist and critic. A doyen of Malayalam literature, he is best known for his novel, Ini Njan Urangatte (And now, Let me Sleep), a novel based on Mahabharata as well as a number of critical studies which include Chandu Menon Oru Padanam, Novel - Siddhiyum Sadhanayum, Kavyakala Kumaranasaniloode and Ezhuthachante Kala : Chila Vyasabharatha Patanangalum. His work 'Jathivyavasthayum Kerala Charitravum is a work in social history. Kerala Sahitya Akademi awarded him their annual award for novel in 1974. He was also a recipient of the Vayalar Award and other honours.