Kongo Central, formerly Bas-Congo, is one of the 26 provinces of the Democratic Republic of the Congo. Its capital is Matadi.

Kongo or Kikongo is one of the Bantu languages spoken by the Kongo people living in the Democratic Republic of the Congo (DRC), the Republic of the Congo, Gabon, and Angola. It is a tonal language. The vast majority of present-day speakers live in Africa. There are roughly seven million native speakers of Kongo in the above-named countries. An estimated five million more speakers use it as a second language.