Panchanathan Arunachalam (22 March 1941 â 9 August 2016) was an Indian writer, director, producer and lyricist who worked in the Tamil cinema. He was mentored by poet Kannadasan who was his uncle. He also worked as a lyricist in the Tamil cinema industry. He started producing films under his production banner named P. A. Arts. His son Subbu Panchu Arunachalam is an actor and dubbing artist in the Tamil film industry.
In 2004, Panchu Arunachalam chose to return to work as a director and planned a film titled Ganesha with Cheran in the lead role. However, the film eventually did not materialise.