Kotnabilli is a village in Ravikamatham tehsil in district of Visakhapatnam, Andhra Pradesh, India. As per the data provided by Census of India in 2011, total population of Kotnabilli was 1,005 which includes 488 males and 517 females. Kotnabilli covers 376 ha area. Pincode of Kotnabilli is 531114.