Northridge is the name of some places in the United States of America:
- Northridge, Los Angeles, California, a community in California's San Fernando Valley
- California State University, Northridge
- The Northridge earthquake of 1994
- Northridge, Clark County, Ohio
- Northridge, Montgomery County, Ohio
- Northridge Mall (Milwaukee)
High schools:
- Northridge High School in Middlebury, Indiana
- Northridge High School (Dayton, Ohio)
- Northridge High School (Layton, Utah)