| North Marion High School | |
| Address: | 151 West Hwy 329 |
| City: | Citra |
| State: | Florida |
| Country: | U.S. |
| Type: | Public secondary and magnet school |
| District: | Marion County Public Schools |
| Oversight: | Cambridge Assessment International Education |
| Principal: | Carol Sales |
| Grades: | 9–12 |
| Enrollment: | 1,303 (2022–23) |
| Teaching Staff: | 57.00 (FTE) (2022–23) |
| Ratio: | 22.86 (2022–23) |
| Mascot: | Colts |
| Colors: | Garnet and Gold |
| Accreditation: | Florida Department of Education |
| Championships: | 1 (2023 Baseball) |
North Marion High School is a public high school and magnet school located in Citra, Florida. The school's athletic teams are known as the Colts and the varsity football team competes in the FHSAA Class 5A Division. The school colors are garnet and gold. The school currently serves 1,313 students in grades 9 through 12 (2018–19).
North Marion won its first ever and only state championship, winning the 2023 FHSAA 4A State Championship in Varsity Baseball. They defeated Nature Coast, Hernando, Bishop Moore, Sunset, and Bishop Kenny to claim the title 5–0 in Ft. Myers. They secured an overall record of 27–5.