Viswanathanahalli is a village in Holalkere tehsil in district of Chitradurga, Karnataka, India. As per the data provided by Census of India in 2011, total population of Viswanathanahalli was 1,288 which includes 664 males and 624 females. Viswanathanahalli covers 614.7 ha area. Pincode of Viswanathanahalli is 577526.