| Thammanur | |
| Settlement Type: | village |
| Pushpin Map: | India Tamil Nadu#India |
| Pushpin Map Caption: | Location in Tamil Nadu, India |
| Coordinates: | 12.7628°N 79.8131°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Tamil Nadu |
| Subdivision Type2: | District |
| Subdivision Name2: | Kanchipuram district |
| Subdivision Type3: | Taluk |
| Subdivision Name3: | Walajabad taluk |
| Unit Pref: | Metric |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Tamil |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
Thammanur (Village ID 629725) is a village in Walajabad taluk, in the Kanchipuram district of India. It is located about from the town of Walajabad near Kanchipuram. It has a population of about 2500. It is situated on the route to Ilayanarvelur (known for Murugan temple) from Walajabad. There is a Panchayat Union Middle School. The village has an ancient Shiva temple (Ekambareswarar) which was built during 12th to 13th Century latter Chozha period. It is surrounded by lush green paddy and sugarcane fields. According to the 2011 census it has a population of 2116 living in 526 households.[1]