| Northern Secondary School | |
| Address: | 175 Ethel Street |
| Country: | Canada |
| Coordinates: | 46.3751°N -79.9195°W |
| Founded: | 1971 |
| Number: | 946109 |
| Principal: | Sean Ruddy |
| Grades: | 9-12 |
| Enrollment: | 326 |
| Enrollment As Of: | September 2011 |
| Colours: | Red and Silver |
| Team Name: | Stars |
Northern Secondary School, or simply Northern, is a secondary school in the town of Sturgeon Falls, Ontario, in the Nipissing District of Ontario, Canada. It is operated by the Near North District School Board.