HeidelbergCement is a German multinational building materials company headquartered in Heidelberg, Germany. It is a DAX corporation and is one of the largest building materials companies in the world. On 1 July 2016, HeidelbergCement AG completed the acquisition of a 45% shareholding in Italcementi.

HeidelbergCement AG engages in the production and distribution of cement, aggregates, concrete, and building products. It operates through the following segments: Western and Northern Europe, Eastern Europe-Central Asia, North America, Asia-Pacific, and Africa Mediterranean Basin. It focuses on cement, aggregates, building products, and concrete-service-other business lines. The company was founded by Johann Philipp Schifferdecker in 1873 and is headquartered in Heidelberg, Germany.