24 Mani Neram (transl. 24 Hours) is a 1984 Indian Tamil-language thriller film written and directed by Manivannan, starring Mohan, Sathyaraj, Nalini, and Jaishankar. The music was composed by Ilaiyaraaja with editing by B. Kandasamy and cinematography by A. Sabapathi. The film released on 18 July 1984 and is considered by critics as one of the best thriller films of Tamil cinema. The film was commercially successful and ran for 27 weeks.