Provan Gas Works is a decommissioned industrial gas holding plant in the city of Glasgow, Scotland. The plant lies between the Blackhill, Blochairn, Germiston and Provanmill areas of the city, The plant is best known for its two massive column-guided gasometers, which have become an iconic industrial landmark in Glasgow's East End. Most of the plant has now been demolished and will be the site of the future HMP Glasgow, which is under construction as of 2026, with the only surviving element being the two gasometer frames which are now preserved as Grade B-listed structures.