Assmang Limited is a company incorporated in the Republic of South Africa to supply raw material to the world’s steel mills and alloy plants.

It was originally listed on the Johannesburg Stock Exchange as The Associated Manganese Mines of South Africa Limited, but changed its name to Assmang Limited on 30 May 2001. Assmang, jointly controlled by Assore Limited and African Rainbow Minerals Limited (ARM), currently has three operating divisions based on its three commodities, iron ore, manganese and chrome. Although each division operates independently, together they strive to achieve optimum efficiencies.