Fern Canyon is a canyon in the Prairie Creek Redwoods State Park in Humboldt County, California, western United States. The park is managed in cooperation with other nearby redwoods state parks and Redwood National Park. It is named for the ferns growing on the 50-foot high walls, through which runs Home Creek. Fern Canyon is recognized as a World Heritage site and an International Biosphere Reserve. 
- Adiantum jordanii
- Blechnum spicant
- Polypodium californicum
- Polypodium glycyrrhiza
- Polystichum munitum
A hiking trail follows the canyon and creek. The start of Fern Canyon Trail is reached at the bottom of the canyon by hiking a quarter mile north up California Coastal Trail from Fern Canyon Day Use Area, which is north of Gold Bluffs Beach Campground.  The trail loop is 0.5 miles, one end of the trail connecting to the James Irvine Trail.
- Turner, Dennis W. & Gloria H. (2010). Place Names of Humboldt County. Orangeville, CA: Dennis W. & Gloria H. Turner. p. 92. ISBN 978-0-9629617-2-4.
- "Pacific Lumber Co. Donates Fern Canyon In State Deal". Humboldt Standard. 1965-05-11. Retrieved 2020-09-23. Cite journal requires
- "Fern Canyon Trail in Prairie Creek Redwoods State Park". hikespeak.com. hikespeak. Retrieved 2017-01-14.
- "Filming Locations for The Lost World: Jurassic Park". The Worldwide Guide to Movie Locations. Retrieved 2007-06-30.
- U.S. Geological Survey Geographic Names Information System: Fern Canyon