Thiruvellavoyal is a village in Ponneri tehsil in district of Thiruvallur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Thiruvellavoyal was 1,998 which includes 988 males and 1,010 females. Thiruvellavoyal covers 321.06 ha area. Pincode of Thiruvellavoyal is 601203.