| Northridge High School | |
| Address: | 100 71st Avenue |
| City: | Greeley |
| State: | Colorado |
| Zipcode: | 80634 |
| Country: | United States |
| Coordinates: | 40.4333°N -104.7906°W |
| Schooltype: | Public high school |
| District: | Greeley-Evans 6 |
| Ceeb: | 060711 |
| Principal: | Insoon Olson[1] |
| Teaching Staff: | 61.36 |
| Grades: | 9–12 |
| Enrollment: | 1,253 |
| Enrollment As Of: | 2022–2023 |
| Ratio: | 20.42 |
| Colors: | Cardinal, navy, silver |
| Athletics Conference: | CHSAA |
| Mascot: | Grizzly |
Northridge High School is located in Greeley, Colorado, United States. It is a part of Weld County School District 6. Northridge was established in 2000.