| Adanakottai | |
| Nickname: | modern village |
| Settlement Type: | village |
| Pushpin Map: | India Tamil Nadu#India |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Tamil Nadu, India |
| Coordinates: | 10.5847°N 79.1808°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Tamil Nadu |
| Subdivision Type2: | District |
| Subdivision Name2: | Thanjavur |
| Leader Title: | Panchayat President |
| Unit Pref: | Metric |
| Population Total: | 1664 |
| Population As Of: | 2001 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Tamil |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code: | 614902 |
Adhanakottai is a village in the Orathanadu taluk of Thanjavur district, Tamil Nadu, India.
As per the 2001 census, Adhanakottai had a total population of 1664 with 796 males and 868 females. The sex ratio was 1090. The literacy rate was 66.51.
It is located 20km (10miles) south of thanjavur on the banks of river Kauveri. It has received the award "model village" from the president Abdul Kalam. The main occupation of Adhanakottai residents is agriculture, dairy.