- Source: Newcastle, Tyrrellspass
- Newcastle, Tyrrellspass
- List of towns and villages in the Republic of Ireland
- Clonfad
- Telephone numbers in the Republic of Ireland
- List of urban areas in the Republic of Ireland for the 2002 census
- List of Gaelic games clubs in Ireland
- Malahide
- List of castles in Ireland
- Adare
- List of townlands of County Westmeath
Newcastle is a townland on the outskirts of Tyrrellspass, County Westmeath, Ireland. The townland is located in the civil parish of Clonfad. The R446 road cuts through the south of the townland, close to the junction with M6 Motorway. The village of Meedin borders the area to the north.