Thirumanam (transl. Marriage) is a 1958 Indian Tamil-language romance film directed by A. Bhimsingh, and produced and written by Valampuri Somanathan. The film stars Gemini Ganesan and Savitri. It revolves around a singer who does not sing for money, believing there is a curse upon him that if he did so, he would die.

Thirumanam is the first film produced by the studio Valampuri Pictures. While primarily black-and-white, it featured some dance sequence which were shot in Gevacolor. The film was released on 18 July 1958 and failed commercially. No print of the film is known to survive, making it a lost film.