Kangaslampi is a former municipality of Finland. It was consolidated to Varkaus on 1 January 2005.
It is located in the province of Eastern Finland and is part of the Northern Savonia region. The municipality had a population of 1,611 (31 December 2004) and covered an area of 412.93 km2 of which 114.12 km2 is water. The population density was 5.38 inhabitants per km2.
The municipality was unilingually Finnish.