| Kadamangudi | |
| Settlement Type: | village |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Tamil Nadu, India |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Tamil Nadu |
| Subdivision Type2: | District |
| Subdivision Name2: | Thanjavur |
| Unit Pref: | Metric |
| 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: | 612504 |
| Area Code Type: | Telephone code |
| Area Code: | 0435 |
| Blank1 Name Sec1: | Nearest city |
| Blank1 Info Sec1: | Kumbakonam |
| Blank2 Name Sec1: | Literacy |
| Blank3 Name Sec1: | Lok Sabha constituency |
| Blank3 Info Sec1: | Mayiladuthurai |
| Blank4 Name Sec1: | Vidhan Sabha constituency |
| Blank4 Info Sec1: | Thiruvidaimarudur |
Kadamangudi [1] is a village in Thanjavur district of the Indian state of Tamil Nadu, situated along the river Kollidam. It consists of just over 100 families. It is surrounded by the river Kollidam which flows through here in north, village of Veerakkan in the south, village of Koothanur to the east and village of Ayyanallur to the west.
It is situated 300 km from the state capital Chennai and 18 km from the nearest big town Kumbakonam. To approach this village you have alight at Thirupanandal or Senganoor on the Chennai-Kumbakonam state highway.
Though it has agrarian background like any other village in India, it has distinguished itself from other villages by producing minimum one graduate per family. Also, it has created many teachers and Government employees.
The Thanjavur district ends here and the other side of river Kollidam is in Trichy district.
In 2009 General Elections, it was shifted to Mayiladuturai (Lok Sabha constituency) from Thanjavur district.