Stonehall () is a civil parish in County Westmeath, Ireland. It is located about north of Mullingar. This name also applies to the townland of Stonehall.
Stonehall is one of 8 civil parishes in the barony of Corkaree in the province of Leinster. The civil parish covers .
Stonehall civil parish comprises 11 townlands: Blackmiles, Galmoylestown Lower, Galmoylestown Upper, Garrysallagh, Killintown, Knockbody, Larkinstown, Martinstown, Monintown, Multyfarnham or Fearbranagh and Stonehall.
The neighbouring civil parishes are: Faughalstown to the north, Taghmon to the east, Tyfarnham to the south and Multyfarnham to the west and north.