| Nagamangala | |
| Settlement Type: | Town |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Karnataka, India |
| Coordinates: | 12.82°N 76.76°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Karnataka |
| Subdivision Type2: | District |
| Subdivision Name2: | Mandya |
| Unit Pref: | Metric |
| Area Total Km2: | 10.43 |
| Area Rural Km2: | 1035.26 |
| Elevation M: | 772 |
| Population Total: | 24059 |
| Population Rural: | 170121 [1] |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Kannada |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code: | 571432 |
| Registration Plate: | KA-54 |
Nagamangala is a PuraSabhe and a taluk in Mandya district, in the Indian state of Karnataka.
Nagamangala lies on the junction between NH-150A and SH-85. It is 43 km from its district headquarter Mandya, 70 km from Mysuru, 115 km from Bengaluru, 261 km from Mangaluru and 425 km from Hubballi. Nearest railway station is B.G.Nagar at 17 km. Nearest airport is Kempegowda International Airport at 140 km.
India census,[2] Nagamangala had a population of 17776. Males constitute 50% of the population and females 50%. Nagamangala has an average literacy rate of 87.01%, higher than the state average of 75.36%: male literacy is 90.16%, and female literacy is 83.98%. In Nagamangala, 12% of the population is under 6 years of age.