B Mallenahalli is a village in Kadur tehsil in district of Chikmagalur, Karnataka, India. As per the data provided by Census of India in 2011, total population of B Mallenahalli was 283 which includes 138 males and 145 females. B Mallenahalli covers 216.5 ha area. Pincode of B Mallenahalli is 577138.