Kilcumreragh (Irish: Cill Chruimthir Fhiachrach) is a civil parish which spans the counties of Westmeath and Offaly in Ireland. It is located about 23.23 kilometres (14 mi) west–south–west of Mullingar and 18.28 kilometres (11 mi) north–north–west of Tullamore. The neighbouring civil parishes are: Killare (barony of Rathconrath) to the north, Ardnurcher or Horseleap to the east, Kilmanaghan (Barony of Clonlonan), Kilcumreragh (County Offaly) and Kilmanaghan (County Offaly) to the south, Ballyloughloe (Clonlonan) to the west and Ballymore (Rathconrath) to the west and north.