Fern Valley might refer to:

• Fern Valley, a section of the Edith J. Carrier Arboretum in Harrisonburg, Virginia
• Fern Valley Native Plant Collections, one of the major gardens in the United States National Arboretum

• Fern Valley homestead, see List of homesteads in Western Australia: D–F

• Fern Valley Trailer Park, Alberta

• Fern Valley, a valley overseen by the National Trust of Jersey

• Fern Valley, California
• Fern Valley Township, Palo Alto County, Iowa