Keelnattukurichi is a village in Ettayapuram tehsil in district of Thoothukkudi, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Keelnattukurichi was 391 which includes 195 males and 196 females. Keelnattukurichi covers 603.34 ha area. Pincode of Keelnattukurichi is 626202.