Arani, Tamil Nadu

Arani, Tamil Nadu may refer to several places:


 * Arni, Tiruvannamalai, also written as Arani, a town in Tiruvannamalai district, Tamil Nadu
 * Arani, Chennai, a suburb of Chennai, Tiruvallur district, Tamil Nadu
 * Arani river, a river in India that flows through the states of Tamil Nadu and Andhra Pradesh