Kato Namsi is a village in Kamba tehsil in district of West Siang, Arunachal Pradesh, India. As per the data provided by Census of India in 2011, total population of Kato Namsi was 85 which includes 37 males and 48 females. Kato Namsi covers N/A area. Pincode of Kato Namsi is N/A.