O B Chudahalli is a village in Bangalore South tehsil in district of Bangalore, Karnataka, India. As per the data provided by Census of India in 2011, total population of O B Chudahalli was 1,255 which includes 634 males and 621 females. O B Chudahalli covers 105.53 ha area. Pincode of O B Chudahalli is 560082.