Sendamangalam taluk is a taluk of Namakkal district of the Indian state of Tamil Nadu. The headquarters of the taluk is the town of Sendamangalam.
| Sendamangalam | |
| Native Name: | சேந்தமங்கலம் |
| Settlement Type: | Taluk |
| Nickname: | Senthai |
| Pushpin Map: | India Tamil Nadu |
| Pushpin Map Caption: | Location in Namakkal, Tamil Nadu, India |
| Pushpin Label Position: | right |
| Coordinates: | 11.3°N 78.2333°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Tamil Nadu |
| Subdivision Type2: | Region |
| Subdivision Name2: | Kongu Nadu |
| Subdivision Type3: | District |
| Subdivision Name3: | Namakkal |
| Government Type: | Municipal Corporation |
| Governing Body: | Senthamangalam City Corporation |
| Unit Pref: | Metric |
| Elevation M: | 240 |
| Population Total: | 27,800 |
| Population As Of: | 2001 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
| Postal Code: | 637409 |
| Area Code: | 91-4286 |
| Area Code Type: | Telephone code |
| Registration Plate: | TN-88, Namakkal South |
| Demographics1 Info1: | Tamil |
The Erumaipatti and Kalappanaickenpatti villages are located within this taluk.[1]