North Fork River may refer to several places:
- North Fork River (Missouri–Arkansas), a tributary of the White River
- North Fork Double Mountain Fork Brazos River, a tributary of the Brazos River, Texas
- North Fork Gunnison River, a tributary of the Gunnison River in Colorado
- North Fork Redbank Creek, a tributary of Redbank Creek in Pennsylvania
- North Fork Skykomish River, a tributary of the Snoqualmie River in Washington