Mayangukiral Oru Maadhu is a 1975 Indian Tamil-language film directed by S. P. Muthuraman and produced by S. Baskar. The film stars Muthuraman and Sujatha, with Thengai Srinivasan, Vijayakumar and Fatafat Jayalaxmi in supporting roles. It revolves around a woman who must try to keep a one-night stand that she had in college a secret from her husband, and thwart a persistent blackmailer intent on collecting money from her to keep quiet about it.

S. P. Muthuraman, also referred to as SPM, is an Indian film director who works in the Tamil film industry. He has directed 72 films in Tamil. He was one of the most successful commercial directors in Tamil cinema. Initially he worked mainly with R. Muthuraman, Jaishankar, Sivaji Ganesan and went on to direct successful films with Rajinikanth and Kamal Haasan.