Nedungadu, formerly Nédouncadou, is a town and commune in the Karaikal District of Puducherry, India.

It is known for Nedungadu Tantondresswara temple, which is under an archaeological survey of India protectorate.

[1] According to the 2001 census, Nedungadu had a population of 15,406 with 7,573 men and 7,833 women.

The female:male sex ratio was 1034:1000.

This article related to a location in the Indian union territory of Puducherry is a stub.