Bundu dia Kongo (Kikongo; lit. "Gathering of Kongo"), known as BDK, is a new religious movement with a political and cultural agenda that is associated with the Kongo ethnic group. It was founded in June 1969 by , who is the group's current leader, and is mainly based in the Kongo Central (Bas-Congo) province in the Democratic Republic of the Congo. The movement supports Kongo nationalism and the creation of an ethnically-Kongo state that would encompass parts of the modern-day Democratic Republic of the Congo, Angola, Gabon and the Republic of the Congo.