Coordinates: 55°48′11″N 4°14′06″W / 55.803033°N 4.235114°W / 55.803033; -4.235114

Castlemilk (Caisteal Mheilc in Gaelic) is a district of Glasgow, Scotland. It lies to the south of the city adjacent to Rutherglen(Spittal and Fernhill areas), Croftfoot, Simshill and the separate village of Carmunnock. Castlemilk House, a stately old mansion built around Cassilton Tower, which was started in 1460 on the site of a 13th century castle, was demolished by Glasgow Corporation in 1969. The area was developed by the Corporation as a peripheral housing scheme in the 1950s to accommodate 34,000 people from inner city slum areas such as the Gorbals. These people were provided with open spaces, a clean environment and indoor toilets and bathrooms.

The population had dropped from 37,000 in 1971 to roughly half that number in 1991. However, despite the social problems associated with poverty and unemployment, the area has seen the benefits of a regeneration strategy implemented in the 1980s which has focused on improved housing and the development of local arts. Community groups and Cooperative housing associations have done a lot to regenerate the housing and improve the amenities for local people. A swimming pool, sports centre, shopping arcade and community centres have been developed.