Manmadhan (transl. Cupid) is 2004 Indian Tamil-language romantic thriller film directed by A. J. Murugan in his debut. Silambarasan plays dual roles for the first time in his career while Jyothika plays the main female lead role with, Sindhu Tolani, Santhanam, Atul Kulkarni, and Goundamani plays supporting roles. The music was composed by Yuvan Shankar Raja.

Manmadhan was received favourably and had a blockbuster run at the box office for over 150 days at the time of its release. It was remade in Kannada as Madana (2006).