Kilcumny () is a civil parish in County Westmeath, Ireland. It is located about north–north–east of Mullingar.
Kilcumny is one of 7 civil parishes in the barony of Delvin in the Province of Leinster. The civil parish covers .
Kilcumny civil parish comprises 13 townlands: Ballymacahil and Derries, Ballynagall, Bananstown, Kilcumny, Cooleighter, Drumcree, Glananea or Ralphsdale, Gormanstown, Grangestown, Johnstown, Kilwalter, Loughstown and Robinstown.
The neighbouring civil parishes are: St. Marys (barony of Fore) to the north, Clonarney and Delvin to the east, Killulagh to the south and St. Feighin's (Fore) to the west.
