Enga Veettu Pillai (transl. The Son of Our House) is a 1965 Indian Tamil-language masala film written by Sakthi T. K. Krishnasamy and directed by Chanakya. A remake of his own 1964 Telugu film Ramudu Bheemudu, it stars M. G. Ramachandran and B. Saroja Devi, with S. V. Ranga Rao, M. N. Nambiar, Rathna and Pandari Bai in supporting roles. The film is about two identical but contrasting twins who were separated at birth, and what happens when they cross paths.

Enga Veettu Pillai was produced by B. Nagi Reddy and Chakrapani. It was the second film to feature Ramachandran in two roles after released 1958's Nadodi Mannan. Cinematography was handled by A. Vincent, and editing by C. P. Jambulingam. The film was primarily shot at Vauhini Studios, and filming was completed within 45 days.

Enga Veettu Pillai was released by Emgeeyaar Pictures on 14 January 1965, Pongal day, and emerged a major box office success, running for over 25 weeks in theatres in Chennai, Coimbatore, Madurai, Thanjavur, Trichy and thereby becoming a silver jubilee film. It was also the first film that won Ramachandran Best Actor awards from both the Madras Film Fans' and Filmgoer's Associations.