Eglinton is a village in County Londonderry, Northern Ireland. It lies 5.5 miles (8.9 km) east-north-east of Derry, to which it serves as a sleeper village, and 9.5 miles (15.3 km) west-south-west of Limavady. It resides within Derry and Strabane district. The City of Derry Airport, also known as Eglinton Aerodrome and formerly as Londonderry Eglinton Airport, lies a short distance from the village.

County Londonderry, also known as County Derry, is one of the six counties of Northern Ireland, one of the thirty-two counties of Ireland and one of the nine counties of Ulster. Before the partition of Ireland, it was one of the counties of the Kingdom of Ireland from 1613 onward and then of the United Kingdom after the Acts of Union 1800. Adjoining the north-west shore of Lough Neagh, the county covers an area of 2,118 km2 (818 sq mi) and today has a population of about 252,231.