Haystack Mountain
- Boulder Mountains (Montana)
- Haystack Mountain (Antarctica)
- Haystack Mountain (Connecticut)
- Haystack Mountain (Maryland)
- Haystack Mountain (New Mexico)
- Haystack Mountain (New South Wales)
- Haystack Mountain (Pennsylvania)
- Haystack Mountain (Vermont)
- Haystack Mountain (Wyoming)
- Haystack Mountain School of Crafts
- Haystack Mountain Ski Area
- List of mountains in Hill County, Montana
- List of mountains in Lincoln County, Montana (A-L)
- List of mountains in Powell County, Montana
- List of mountains in Sanders County, Montana
- Little Haystack Mountain (New Hampshire)
- Mount Haystack