Haystack (disambiguation)
- Giant Haystacks
- Haystack (MIT project)
- Haystack (food)
- Haystack (software)
- Haystack Island
- Haystack Mountain (disambiguation)
- Haystack Observatory
- Haystack Prayer Meeting
- Haystack Rock
- Haystack, New Mexico
- Haystack, Newfoundland and Labrador
- Haystack, Queensland
- Haystacks (Lake District)
- Haystacks (Monet series)
- Haystacks Calhoun
- Haystak
- Hayward, California
- Loyalsock Creek
- Mogote