Kachavanahalli is a village in Kanakapura tehsil in district of Ramanagara, Karnataka, India. As per the data provided by Census of India in 2011, total population of Kachavanahalli was 1,779 which includes 882 males and 897 females. Kachavanahalli covers 312.43 ha area. Pincode of Kachavanahalli is 562126.