Gortamney is a townland lying within the civil parish of Kilcronaghan, County Londonderry, Northern Ireland. It lies in the east of the parish alongside the boundary of the civil parish of Termoneeny, and is bounded by the townlands of Ballinderry, Ballynahone More, Clooney, Drumsamney, Killynumber, Killytoney, and Moyesset. It was apportioned to the Drapers company and Crown freeholds.