| Ernavoor | |
| Settlement Type: | Neighbourhood |
| Pushpin Map: | India Chennai#Tamil Nadu#India |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Ernavoor (Chennai) |
| Coordinates: | 13.1896°N 80.3039°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Tamil Nadu |
| Subdivision Type2: | District |
| Subdivision Name2: | Chennai |
| Unit Pref: | Metric |
| Elevation M: | 26 |
| Population Total: | 32556 |
| Population As Of: | 2001 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Tamil |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | Postal Index Number |
| Postal Code: | 600057 |
| Registration Plate: | TN-18 |
Ernavoor, also spelled Ernavur, is a revenue village in Tiruvottiyur taluk of North Chennai, Tamil Nadu, India.[1] It lies in the postal area of Ennore Thermal Station, with pincode 600057. It lies between Ennore and Manali. It is part of Frist Chennai Corporation Zone, and has many industries such as ITC, Wimco etc.
Ernavoor got its name from Erneeswaran (Shiva) temple in this area. Most of the people in this settlement belong to working class employed in adjacent factories like ITC, Wimco, Ashok Leyland and Ennore Thermal Power Station.
There is a famous Murugan Temple and Selva Vinayagar temple in this area.