Bhayanak is a 1979 Hindi-language Horror motion picture written by Meeraq Mirza and directed by S.u. Syed and S. U. Syed and produced by A. V. Mohan. People of Mangalpur die in a bizarre pattern. Inspector Vijay is appointed to reveal the truth behind the mystery. Bhayanak features Mithun Chakraborty, Chandrashekhar, Ranjan Grewal, Madan Joshi, Ranjeeta Kaur, Ravi Kumar and Razia Sultana. The music was composed by Usha Khanna along with Lyrics: Nawab Arzoo. Cinematography was done by Venkatesh. The film has a running time of 125 minutes. It was released on 1st January 1979. Bhayanak was made on a budget of ₹3 crore.

Directed by SU Syed, starring Mithun Chakraborty and Ranjan Grewal in the lead roles.