Thambikku Entha Ooru is a 1984 Indian Tamil-language romantic comedy film directed by Rajasekhar and written by Panchu Arunachalam. The film stars Rajinikanth, Madhavi and Sulakshana. It revolves around a spoilt rich man who is forced to live in a village for one year to learn discipline. The film was released on 20 April 1984. It was later remade in Kannada as Anjada Gandu (1988).

Panchanathan Arunachalam 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.