Musthaffaa is a 1996 Indian Tamil-language crime drama film directed by R. Aravindraj and written by K. Prasanna. It is based on Prasanna's novel of the same name. The film stars Napoleon and Ranjitha, with Goundamani, Mansoor Ali Khan, Prasanna, Lakshmi, Kazan Khan, Alex, Sooriya, Rajeshkumar, Babloo Prithiveeraj, Ganeshkar and Charmila playing supporting roles. It was released on 16 February 1996. The film was later remade into Hindi as Ghulam-E-Musthafa (1997) in Bangladeshi Bengali as Abbajan (2001) and in Indian Bengali as Rehmat Ali (2010).


Musthaffaa is the trusted henchman of the godfather Periyavar. When politicians need help, they notify Periyavar, and Musthaffaa, in turn, solves the problem with his sidekick Chellappa. Musthaffaa considers Periyavar as his own father and he calls him Vappa (father in Tamil Muslim) whilst he considers Chellappa as his own elder brother.