Mysore Puttaswamaiah Jayaraj, known as M. P. Jayaraj (1944/1946–1989) was an Indian mafia gangster who operated in Bangalore during the 1970s and 1980s. He was a hobbyist wrestler from his childhood who seriously practiced at Annayappa Garadi in Thigalrapete. He was brought into forefront of Bangalore underworld by M. D. Nataraj, the then son-in-law of the Chief Minister of Karnataka Devaraj Urs.

Aa Dinagalu is a 2007 Indian Kannada-language crime drama film based on the non-fiction novel Daadaagiriya Dinagalu by Agni Shridhar, and directed by K. M. Chaitanya. It stars Chethan Kumar in the lead role. The supporting cast features Sharath Lohitashwa, Ashish Vidhyarthi, Atul Kulkarni and Veda Sastry. The plot revolves around mafia in Bangalore during the 1980s when gangsters Kotwal Ramachandra and M. P. Jayaraj dominated the Bangalore underworld. The film's soundtrack and background music was scored by Ilayaraja.