Rettaivayal is a village in Peravurani tehsil in district of Thanjavur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Rettaivayal was 20 which includes 12 males and 8 females. Rettaivayal covers 231.06 ha area. Pincode of Rettaivayal is 614612.