| Mangalampettai | |
| Nickname: | MPT |
| Settlement Type: | city |
| Pushpin Map: | India Tamil Nadu |
| Pushpin Map Caption: | Location in Tamil Nadu, India |
| Coordinates: | 11.6343°N 79.2817°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Tamil Nadu |
| Subdivision Type2: | District |
| Subdivision Name2: | Cuddalore |
| Government Type: | town panchayat |
| Unit Pref: | Metric |
| Population Total: | 7,327 |
| Population As Of: | 2011 |
| 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: | 606 104 |
Mangalampet is a panchayat town in Cuddalore district in the Indian state of Tamil Nadu.
India census,[1] Mangalampet had a population of 7,327 of which 3,590 are male and 3,737 are female. Mangalampet has an average literacy rate of 85.30%, higher than the national average of 80.09%: male literacy is 91.80%, and female literacy is 78.78%. In Mangalampet, 11.85% of the population is under 6 years of age.