Keenaght () is a barony in County Londonderry, Northern Ireland. It connects to the north-Londonderry coastline, and is bordered by four other baronies: Coleraine to the east; Loughinsholin to the south-east; Tirkeeran to the west; and Strabane Upper to the south-west. It was the territory of the O'Connors of the Cianachta Glengiven from the 5th century until its take over in the 12th century by the O'Kanes.