The Millennium Challenge Corporation (MCC) is a bilateral US foreign aid agency established in 2004 by the United States Congress as an autonomous agency of the State Department and USAID.

It offers grants to nations that are assessed to have good economic policies and the potential for economic development. The nation qualification procedure is objective, comprising third-party scores in 17 different fields and any country that qualifies must apply for a grant with a specific project in mind.

MCC was founded on the concept that help is most effective when it strengthens good government, economic freedom and investments in people.