Valavanallur is a village in Kodavasal tehsil in district of Thiruvarur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Valavanallur was 837 which includes 413 males and 424 females. Valavanallur covers 290.42 ha area. Pincode of Valavanallur is 613703.