Union Mill
- Boreas Union Mill, Pontefract
- List of windmills in Kent
- List of windmills in Lincolnshire
- List of windmills in Middlesex
- List of windmills in Norfolk
- List of windmills in Suffolk
- List of windmills in the East Riding of Yorkshire
- List of windmills in the East Riding of Yorkshire
- List of windmills in the North Riding of Yorkshire
- List of windmills in the West Riding of Yorkshire
- National Register of Historic Places listings in Thurston County, Washington
- Union Mill Complex
- Union Mill, Cranbrook
- Union Mill, Washington
- Union Mills
- Union Mills (Fall River, Massachusetts)
- Union Mills Homestead Historic District
- Union Mills Superintendent's House
- Union Mills, Burnham Overy
- Union Mills, California
- Union Mills, Indiana
- Union Mills, Maryland
- Union Mills, Milnsbridge
- Union Mills, Pleasants County, West Virginia
