Leyden, Massachusetts
- Settled - 1738
- Incorporated - 1809
- Government
- Type - Open town meeting
- Area
- Total - 18.0 sq mi
- Land - 17.9 sq mi
- Water - 0.1 sq mi
- Elevation - 928 ft
- Population (2010)
- Total - 711
- Density - 39/sq mi
- ZIP Code - 01301/01337
- Website - http://www.townofleyden.com/