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.