Vellanur is a village in Ambattur tehsil in district of Thiruvallur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Vellanur was 11,668 which includes 6,353 males and 5,315 females. Vellanur covers 1609.27 ha area. Pincode of Vellanur is 600052.