???????????) (22 November 1939 – 19 May 1998), affectionately known as Nanappan among his friends, was a journalist and writer of Malayalam literature.
Known for his novel, Parinamam (The Evolution), and a number of short stories including Murugan Enna Pambatty (Murugan, the Snake Charmer) and George Aaramante Kodathi (The Court of George VI), Pillai was associated with Far Eastern Economic Review and McGraw-Hill World News.
He was awarded the Kerala Sahitya Akademi Award for Novel in 1991, but he declined the award.