- a member of an Indigenous people living in west-central Africa along the lower course of the Congo River.
- the Bantu language of the Kongo people, used as a lingua franca in the lower Congo River basin.
- a member of a Negroid people of Africa living in the tropical forests of the Democratic Republic of Congo (formerly Zaïre), Congo Brazzaville, and Angola
- the language of this people, belonging to the Bantu group of the Niger-Congo family