| Type: | hamlet, townland |
| Pushpin Map: | United Kingdom |
| Coordinates: | 54.9167°N -18°W |
Killaloo (or Cill Dhalua meaning "Dalua's church")[1] [2] is a townland and hamlet in County Londonderry, Northern Ireland. It is about six miles southeast of Derry, on the main Derry to Belfast road. In the 2001 census, Killaloo had a population of 75 people. It is situated within Derry and Strabane district.
The nearest shops and amenities are in the village of Claudy, to the southeast.
The ruins of Brackfield Bawn are beside the main road. The Ness Woods country park is also in the area.