| Senthalaivayal | |
| Settlement Type: | Gram panchayat |
| Pushpin Map: | India Tamil Nadu |
| Pushpin Map Caption: | Location in Tamil Nadu, India |
| Coordinates: | 10.19°N 79.24°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Tamil Nadu |
| Subdivision Type2: | District |
| Subdivision Name2: | Thanjavur |
| Website: | senthalainews.in |
| Population Total: | 3500 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Tamil |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
| Postal Code: | 614612 |
| Area Code Type: | Telephone code |
| Area Code: | 91 4373 |
| Registration Plate: | TN 49 |
Senthalaivayal is located in East Coast Road along with Bay of Bengal Peravurani Taluk Thanjavur District in Tamil Nadu state of India.
Senthalaivayal is a gram panchayat of Sethubhavachatram block people often called Senthalai Pattinam. It is a coastal village.
Here traditionally fishing is the main source of income.