Poonaithangal is a village in Cheyyar tehsil in district of Tiruvannamalai, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Poonaithangal was 277 which includes 132 males and 145 females. Poonaithangal covers 117.05 ha area. Pincode of Poonaithangal is 631702.