Mandaikadu
| Mandaikadu | |
|---|---|
| Town | |
| Coordinates: 8°13′59″N 77°19′33″E / 8.23306°N 77.32583°E | |
| Country | India | 
| State | Tamil Nadu | 
| District | Kanniyakumari | 
| Population  (2001) | |
|  • Total | 12,349 | 
| Languages | |
| • Official | Tamil | 
| Time zone | UTC+5:30 (IST) | 
Mandaikadu is a panchayat town in Kanniyakumari district in the Indian state of Tamil Nadu.