Rathconnell () is a civil parish in County Westmeath, Ireland. It is located about north–east of Mullingar on the N52 road.
Rathconnell is one of 3 civil parishes in the barony of Moyashel and Magheradernon in the Province of Leinster. The civil parish covers .
Rathconnell civil parish comprises 34 townlands: Aghadaugh, Ballycor, Ballynagall, Balrath North, Balrath West, Balreagh, Balreath East, Brittas, Cartron, Cloghanumera, Clondalever, Clonickilvant, Clonkill, Clonlost, Clonsheever, Cooksborough, Crosserdree, Curraghbrack, Curraghmore, Drinmore, Edmondstown, Fennor, Jeffrystown, Killynan (Cooke), Killynan (Pratt), Knockdrin, Loughagar Beg, Loughagar More, Macetown, Moneylea, Mountrobert, Rathconnell, Reynella and Tevrin.
The neighbouring civil parishes are: Kilpatrick (barony of Fore), and Tyfarnham to the north, Killulagh (barony of Delvin), to the north–east, Killagh (Delvin) to the east, Killucan (barony of Farbill) to the south–east and south, Mullingar to the south–west and west and Portnashangan (barony of Corkaree) to the north–west.