Johnstown may refer to:

• Johnstown, Queensland, a locality split between the Southern Burnett Region and the Gympie Region, Queensland

• Johnstown, Nova Scotia
• Johnstown, Ontario, United Counties of Leeds and Grenville
• Johnstown, Hastings County, Ontario
• Johnstown District, Upper Canada

• Johnstown Castle, a Gothic Revival castle in County Wexford
• Johnstown, Dublin
• Johnstown, Kilcumny, a townland in Kilcumny civil parish, County Westmeath
• Johnstown, County Kildare
• Johnstown, County Kilkenny
• Johnstown, Killulagh, a townland in Killulagh civil parish, County Westmeath
• Monroe or Johnstown (Nugent), a townland in County Westmeath
• Johnstown, Templeoran, a townland in the barony of Moygoish, County Westmeath
• Johnstown, Killodiernan, a townland in North Tipperary
• Johnstown, Navan, a townland near Navan County Meath

• Johnstown, Colorado
• Johnstown, Illinois
• Johnstown, Indiana
• Johnstown, Kansas
• Johnstown, Maryland
• Johnstown, Missouri
• Johnstown, Nebraska, a village in Brown County
• Johnstown (city), New York
• Johnstown (town), New York
• Johnstown, North Dakota
• Johnstown, Ohio
• Johnstown, Pennsylvania, a city in Cambria County, Pennsylvania
• Johnstown (Amtrak station)
• Johnstown, West Virginia
• Johnstown, Wisconsin (disambiguation)
• Johnstown, Wyoming
• Johnstown Township, Michigan
• Johnstown Township, Grand Forks County, North Dakota, Grand Forks County, North Dakota

• Johnstown, Wrexham
• Johnstown, Carmarthenshire

• Johnstown (crater), a crater on Mars
• Johnstown (horse), an American Hall of Fame racehorse
• Johnstown (meteorite), a 1924 meteorite which fell in Colorado, United States
• Johnstown, a name briefly given to the Apollo program tracking/commutations ship Redstone
• Johnstown, a 1999 album by Canadian musician Oh Susanna

• Johnstown Flood (disambiguation)
• Jonestown (disambiguation)
• Johnsontown (disambiguation)
• Johnston (disambiguation)
• Johntown (disambiguation)
• Saint Johnstown (disambiguation)

This disambiguation page lists articles associated with the title Johnstown.
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