Castletown

• Castle town
• Castleton (disambiguation)
• Castletown (horse)
• Castletown House
• Castletown Kilpatrick
• Castletown, County Antrim
• Castletown, County Cork
• Castletown, County Laois
• Castletown, County Limerick
• Castletown, County Tyrone
• Castletown, County Wexford
• Castletown, Dorset
• Castletown, Highland
• Castletown, Isle of Man
• Castletown, Penrith
• Castletown, Sunderland
• Castletown, Western Australia
• Castletown-Geoghegan
• Castletownbere
• Castletownroche
• County Limerick
• County Tyrone
• Esperance, Western Australia
• Hardy Bucks
• RAF Castletown