Ponmasanallur is a village in Mayiladuthurai tehsil in district of Nagapattinam, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Ponmasanallur was 458 which includes 220 males and 238 females. Ponmasanallur covers 189.66 ha area. Pincode of Ponmasanallur is 609203.