Old Drumchapel is a neighbourhood of Glasgow, Scotland. It is located around Drumchapel railway station and formed part of the Cowdenhill and Garscadden Estates. It is situated to the south of the larger and newer Drumchapel housing estate, and to the north of the arterial Great Western Road running from Glasgow to Clydebank. The Blairdardie neighbourhood lies immediately to the east, while a retail park separates Old Drumchapel from the Linnvale and Drumry areas of Clydebank to the west.

Drumchapel railway station serves the Drumchapel, Blairdardie and Old Drumchapel areas of Glasgow, Scotland. The station is managed by ScotRail and is served by trains on the Argyle Line and North Clyde Line. It is situated between Westerton to the east and Drumry to the west, and is located 7 miles 20 chains (11.7 km) from Glasgow Queen Street, measured via Maryhill.