| Nayudumangalam | |
| Other Name: | Agaram Sibbandi |
| Settlement Type: | township |
| Pushpin Map: | India Tamil Nadu |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location in Tamil Nadu, India |
| Coordinates: | 12.3333°N 79.1°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Tamil Nadu |
| Subdivision Type2: | District |
| Subdivision Name2: | Tiruvannamalai |
| Unit Pref: | Metric |
| Elevation M: | 134 |
| Population Total: | 8,400 |
| Population As Of: | 2010 |
| 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: | 606802 |
| Registration Plate: | TN-25 |
| Blank1 Name Sec1: | Coastline |
| Blank1 Info Sec1: | 0km (00miles) |
| Blank2 Name Sec1: | Nearest city |
| Blank2 Info Sec1: | Thiruvannamlai, Polur, Kalasapakkam, Thurunjapuram |
| Blank3 Name Sec1: | Lok Sabha constituency |
| Blank3 Info Sec1: | Thiruvannamlai |
| Blank4 Name Sec1: | Vidhan Sabha constituency |
| Blank4 Info Sec1: | Kilpennatore |
| Blank1 Name Sec2: | Avg. summer temperature |
| Blank1 Info Sec2: | 35°C |
| Blank2 Name Sec2: | Avg. winter temperature |
| Blank2 Info Sec2: | 19°C |
Nayudumangalam is a township in Tiruvannamalai Taluk of Tiruvanamalai district, Tamil Nadu India. It has a population of 8,400 and in the altitude of 134m.
The Tamil Nadu government announced that there will be one SIPCOT built at Naidumanglam.
This town lies on national highway NH 234, which runs from o Mangalore.
The nearest railway station Agaram Sibbandi is on the Vellore-Thiruvannamalai rail route, about 17 km from Thiruvannamalai. The station is operated by the Southern Railway. To the north, Vellore Cantonment the main station next to Polur. To the south, Thiruvannamalai railway Station is the nearest major station.