Nedungadu
Nedungadu 
    Nédouncadou  | |
|---|---|
Village  | |
| Coordinates: 10°58′00″N 79°46′00″E / 10.96667°N 79.76667°E | |
| Country | India | 
| State | Puducherry | 
| District | Karaikal | 
| Population  (2001)  | |
 • Total  | 15,406 | 
| Languages | |
| • Official | Tamil | 
| • Additional | English, French | 
| Time zone | UTC+5:30 (IST) | 
| Vehicle registration | PY 02 | 
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.