Gantiganahalli is a village in Koratagere tehsil in district of Tumkur, Karnataka, India. As per the data provided by Census of India in 2011, total population of Gantiganahalli was 399 which includes 213 males and 186 females. Gantiganahalli covers 281.75 ha area. Pincode of Gantiganahalli is 572121.