Aranthangi is a town in Pudukkottai district in the state of Tamil Nadu, India.

A line of Tondaimans who were unconnected with those of Pudukkottai, were in power here in the fifteenth and sixteenth centuries, and it is believed that they constructed it.

The temple of Rajendra Chola Varma in the town seems to have been built in the eleventh century.

People have also emigrated to Arabic and European countries and have found careers in these areas to earn for their family.

According to 2011 census, Aranthangi had a population of 40,814 with a sex-ratio of 1,030 females for every 1,000 males, much above the national average of 929.

[3] As per the religious census of 2011, Aranthangi had 74.52% Hindus, 22.01% Muslims, 3.42% Christians, 0.01% Sikhs, 0.0% Buddhists, 0.0% Jains and 0.04% following other religions.

The town gets major rainfall during the North east monsoon period.

Subramania Puram, Nagudi, Poovathakkudi, Manamelkudi taluk and Arasarkulam have separate government hospitals.