| Ponnavarayankottai | |
| Native Name Lang: | பொன்னவராயன்கோட்டை |
| Settlement Type: | Village |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Tamil Nadu, India |
| Coordinates: | 10.4089°N, 79.3531°E |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Tamil Nadu |
| Subdivision Type2: | District |
| Subdivision Name2: | Thanjavur |
| Subdivision Type3: | Taluk |
| Subdivision Name3: | Pattukkottai |
| Leader Title: | Panchayat President |
| Unit Pref: | Metric |
| Area Total Km2: | 0.863 |
| Population Total: | 982 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Tamil |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
Ponnavarayankottai is a village in the Pattukkottai Taluk of Thanjavur District, Tamil Nadu, India. The closest neighboring town is Pattukkottai, about 1 km away.
As of the 2011 census, Ponnavarayankottai had a total population of approximately 982, consisting of 473 males and 509 females. The gender ratio of the village was 0.987, and its literacy rate was 73.45% (according to 2001 census data). Ponnavarayankottai is home to Ponnai Vadakku Street, Kaliy Amman Koil Street, Karuppaiah Koil Street, and Muthupettai Road Street. There are 258 independent households in Ponnavarayankottai, including another village, Ponnavarayankottai Ukkadai, in the Ponnavarayankottai gram panchayat.
The population in the surrounding areas is ultimately native to Ponnavarayankottai.
In the village's early days, the Ponnavarayankottai village consi.
Ponnavarayankottai has a public and private bus service, as well as a railway system within 5 kilometers of most residents.
Ponnavarayankottai village has four pools, two rivers, and various agricultural lands. These agrarian aspects lend to the village an excellent location for farmers and for populations to flourish.