Kilnariyappanur is a village in Kallakkurichi tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kilnariyappanur was 995 which includes 515 males and 480 females. Kilnariyappanur covers 402.9 ha area. Pincode of Kilnariyappanur is 606204.