Alagianallur is a village in Kariapatti tehsil in district of Virudhunagar, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Alagianallur was 4,252 which includes 2,116 males and 2,136 females. Alagianallur covers 1323.98 ha area. Pincode of Alagianallur is 626001.