Thiruvidaimarudur
| Thiruvidaimarudur | |
|---|---|
| Nickname: Idavai | |
| Coordinates: 10°59′N 79°28′E / 10.98°N 79.47°E | |
| Country | India | 
| State | Tamil Nadu | 
| District | Thanjavur | 
| Elevation | 20 m (70 ft) | 
| Population  (2001) | |
|  • Total | 13,758 | 
| Languages | |
| • Official | Tamil | 
| Time zone | UTC+5:30 (IST) | 
| PIN | 612104 | 
| Telephone code | 0435 | 
| Vehicle registration | TN.68 | 
Thiruvidaimarudur (also spelt as Thiruvidaimaradur or Tiruvidaimarudur) is a panchayat town in Thanjavur district, in the Indian state of Tamil Nadu. The town is notable for its Mahalingeshwarar Temple, a Hindu shrine for Lord Shiva.