Sannasinallur is a village in Sendurai tehsil in district of Ariyalur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Sannasinallur was 4,074 which includes 1,982 males and 2,092 females. Sannasinallur covers 1299.1 ha area. Pincode of Sannasinallur is 621730.