Tandarai
| Tandarai | |
|---|---|
| Coordinates: 12°06′N 79°12′E / 12.1°N 79.20°E | |
| Country | India | 
| State | Tamil Nadu | 
| District | Tiruvanamalai | 
| Elevation | 81 m (266 ft) | 
| Population  (2001) | |
|  • Total | 5,201 | 
| Languages | |
| • Official | Tamil | 
| Time zone | UTC+5:30 (IST) | 
Tandarai is a Panchayat town in Tiruvanamalai district, Tamil Nadu India. It is the fourth largest town in Kilpennathur taluk and has one railway station. It lies between Vettavalam and Veraiyur and has a population of 5201 and altitude of 81m.