Kundanahalli is a village in Krishnarajpet tehsil in district of Mandya, Karnataka, India. As per the data provided by Census of India in 2011, total population of Kundanahalli was 376 which includes 202 males and 174 females. Kundanahalli covers 133.57 ha area. Pincode of Kundanahalli is 571426.