Kalaiyanallur is a village in Sankarapuram tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kalaiyanallur was 2,035 which includes 1,045 males and 990 females. Kalaiyanallur covers 648.81 ha area. Pincode of Kalaiyanallur is 606206.