Vilaiyattu Pillai is a 1970 Indian Tamil-language film directed by A. P. Nagarajan and produced by Gemini Studios.
The film stars Sivaji Ganesan, Padmini, and Kanchana, and tells the story of Muthiah, a farmer who tames a bull owned by Maragatham, the daughter of a wealthy man.
After Muthiah's victory in a Rekla race, Maragatham falls in love with him. However, his mother advises him to marry and live more responsibly, while his uncle agrees to talk to Maragatham on his behalf.
The film is based on Kothamangalam Subbu's novel Rao Bahadur Singaram, which was serialised in the magazine Ananda Vikatan. It was released on 20 February 1970 and became a commercial success, running for over 100 days in theatres.