A Kulathur is a village in Ulundurpettai tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of A Kulathur was 1,297 which includes 658 males and 639 females. A Kulathur covers 275.67 ha area. Pincode of A Kulathur is 606205.