Johnstown
- Grand Forks County, North Dakota
- Johnsontown (disambiguation)
- Johnston (disambiguation)
- Johnstown (Amtrak station)
- Johnstown (city), New York
- Johnstown (crater)
- Johnstown (horse)
- Johnstown (meteorite)
- Johnstown (town), New York
- Johnstown Castle
- Johnstown District, Upper Canada
- Johnstown Flood (disambiguation)
- Johnstown Township, Michigan
- Johnstown, Carmarthenshire
- Johnstown, Colorado
- Johnstown, County Kildare
- Johnstown, County Kilkenny
- Johnstown, Dublin
- Johnstown, Hastings County, Ontario
- Johnstown, Illinois
- Johnstown, Indiana
- Johnstown, Kansas
- Johnstown, Killodiernan
- Johnstown, Maryland
- Johnstown, Missouri
- Johnstown, Navan
- Johnstown, Nebraska
- Johnstown, North Dakota
- Johnstown, Nova Scotia
- Johnstown, Ohio
- Johnstown, Ontario
- Johnstown, Pennsylvania
- Johnstown, Queensland
- Johnstown, Templeoran
- Johnstown, West Virginia
- Johnstown, Wisconsin (disambiguation)
- Johnstown, Wrexham
- Johnstown, Wyoming
- Johntown (disambiguation)
- Jonestown (disambiguation)
- Kilcumny (civil parish)
- Killulagh (civil parish)
- Monroe or Johnstown (Nugent)
- Mullaghbrack
- Oh Susanna (musician)
- Saint Johnstown (disambiguation)
- USNS Redstone