K.Raghunathan is a Malayalam novelist, journalist and short story writer from Kerala, India. He is best known for his novels Pathiravankara and Ajnathanama. Raghunathan won the Kerala Sahithya Academy award for best novel in 2007 for Pathira Vankara. He also won the Kerala Sahitya Akademi Award for Biography in 2020 for Mukathakandam VKN.
Raghunathan was born in 1957 Cheroor, Thrissur district, Kerala. After his education he joined Mathrubhumi daily in 1980, from where he started writing seriously.