Gopurangal Saivathillai (transl. Gopurams do not tilt) is a 1982 Indian Tamil-language film directed by Manivannan and produced by P. Kalaimani. The film stars Mohan, Suhasini and Radha, while S. Ve. Shekher and Vinu Chakravarthy play supporting roles. It revolves around a man who is forcibly married to a woman he deems unattractive, and later begins a relationship with another woman.

Gopurangal Saivathillai is the directorial debut of Manivannan who wrote the screenplay from Kalaimani's story. It was released on 15 October 1982. The film was remade in Telugu as Mukku Pudaka (1983) with Suhasini reprising her role; in Kannada as Brahma Gantu (1985); and in Hindi as Naseeb Apna Apna (1986). The film was also the inspiration behind two Tamil TV series: Kasthuri (2006) and Sundari (2021).