Alpha is an unincorporated community in Clinton County, Kentucky, United States. It lies along Route 90 northeast of the city of Albany, the county seat of Clinton County. Its elevation is 1,014 feet (309 m), and it is located at 36°45′44″N 85°0′37″W / 36.76222°N 85.01028°WCoordinates: 36°45′44″N 85°0′37″W / 36.76222°N 85.01028°W. Although it is unincorporated, it has a post office, with the ZIP code of 42603.
- Rand McNally. The Road Atlas '06. Chicago: Rand McNally, 2006, pp. 42-43.
- Geographic Names Information System Feature Detail Report, Geographic Names Information System, 1979-09-20. Accessed 2007-12-31.
- Zip Code Lookup
- Rennick, Robert M. (1988). Kentucky place names. University Press of Kentucky. pp. 4–5. ISBN 978-0-8131-0179-8.