Glencar (Irish: Gleann an Chairthe) is a district located to the north of Letterkenny, County Donegal, in the parish of Conwal and Leck, Ireland.
Glencar is bordered by Kirkstown to the west, Killylastin to the north, Windyhall and Gortlee to the east and Sallaghagrane to the south. It may be entered from central Letterkenny on its southwestern flank via the Main Street area. It consists of at least three prominent townlands: Ballyboe Glencar, Glencar Irish and Glencar Scotch.[1][2][3]