Mallappanahalli 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 Mallappanahalli was 51 which includes 27 males and 24 females. Mallappanahalli covers 118.5 ha area. Pincode of Mallappanahalli is 577175.