Castletown
# Castletown

Castletown may refer to:

## Places

### Australia

* Castletown, Western Australia, a suburb of the remote town of Esperance

### Republic of Ireland

* Castletownroche, County Cork
* Castletown, County Cork (disambiguation), several townlands and villages
* Castletown, County Laois
* Castletown, County Limerick, a civil parish in County Limerick
* Castletown House, County Kildare
* Castletownbere, County Cork
* Castletown-Geoghegan, County Westmeath
* Castletown, County Wexford
* Castletown Kilpatrick, County Meath; see C. Y. O'Connor

### Isle of Man

* Castletown, Isle of Man

### United Kingdom

* Castletown, Cheshire
* Castletown, Dorset
* Castletown, Highland, Scotland
* Castletown, Penrith, Cumbria
* Castletown, County Antrim, a townland in Islandmagee, County Antrim, Northern Ireland
* Castletown, County Tyrone, a townland in Carnteel parish, County Tyrone, Northern Ireland
* Castletown, Sunderland
* RAF Castletown, Scotland

## Other uses

* Castletown (horse), a New Zealand Thoroughbred racehorse
* Castletown, County Mayo, the fictional setting of the mockumentary Hardy Bucks
