Kuyilongi is a village in Munchingi Puttu tehsil in district of Visakhapatnam, Andhra Pradesh, India. As per the data provided by Census of India in 2011, total population of Kuyilongi was 53 which includes 28 males and 25 females. Kuyilongi covers 20 ha area. Pincode of Kuyilongi is 531040.