Indra Soundar Rajan (born 13 November 1958) is the pen name of P. Soundar Rajan, form Madurai is a well-known Tamil author of short stories, novels, television serials, and screenplays. His stories typically deal with cases of supernatural occurrence, divine intervention, reincarnation, and ghosts, and are often based on or inspired by true stories reported from various locales around the state of Tamil Nadu. He wrote story for the movie Pon Magal Vanthal. His 2019 release includes Iruttu, directed by V. Z. Durai.