Pillaiyo Pillai (transl. Son, oh son!) is 1972 Indian Tamil-language romantic drama film directed by Krishnan–Panju, produced by Murasoli Maran and written by M. Karunanidhi. The film stars M. K. Muthu (in dual role) in his debut film appearance alongside Vijayakumari and Lakshmi, while Manohar, M. R. R. Vasu and G. Sakunthala play supporting roles. It was released on 23 June 1972 and was a commercial success.