Neethiyin Marupakkam () is a 1985 Tamil-language action drama film directed by S. A. Chandrasekhar and produced by Shoba Chandrasekhar. The film stars Vijayakanth and Radhika, alongside Anuradha, Vadivukkarasi, and V. K. Ramasamy in supporting roles. It was released on 27 September 1985.
The film was originally titled Naan Naxalite Alla (), which was changed after the censor board objected.
The music was composed by Ilaiyaraaja. The song "Naan Irukka Bayam Edarkku" is set in the Valaji raga.
Jayamanmadhan of Kalki criticised the film for being formulaic. However, Balumani of Anna praised the cast, direction and the film's message.