Thayin Madiyil is a 1964 Indian Tamil-language film directed by A. Subba Rao.
The movie stars M. G. Ramachandran and B. Saroja Devi in the lead roles, with Raja portrayed by MGR as an orphaned champion jockey who leads a happy life until he meets Jeeva, the daughter of wealthy businessman Bhupathi.
Years later, Raja learns of his mother and vows to find his father and take revenge. He is overjoyed to meet his mother, but her revelation that he is the son of Bhupathi brings unexpected consequences.
The film was produced by K. R. Balan under the banner Annai Films, with cinematography handled by R. R. Chandran and screenplay/dialogues written by Sornam.