| Kelamangalam | |
| Settlement Type: | town |
| Pushpin Map: | India Tamil Nadu |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Tamil Nadu, India |
| Coordinates: | 12.6°N 77.85°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: | Krishnagiri |
| Unit Pref: | Metric |
| Elevation M: | 810 |
| Population Total: | 10994 |
| Population As Of: | 2001 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Tamil |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Registration Plate: | TN-70 |
Kelamangalam is a panchayat town in Krishnagiri district in the Indian state of Tamil Nadu.
Kelamangalam is located at .[1] It has an average elevation of 810 metres (2657 feet). Average temperature lingers around 20-25 °C. The soil here is laterite.
India census,[2] Kelamangalam had a population of 11,052. Males constitute 51% of the population and females 49%. Kelamangalam has an average literacy rate of 61%, higher than the national average of 59.5%: male literacy is 67%, and female literacy is 55%. In Kelamangalam, 15% of the population is under 6 years of age.