Sosso-Nakombo is a sub-prefecture in the Central African Republic.

[2][3] In 1920, after the return to France of Neukamerun, Sosso became chief town of subdivision in the district of Kade-Sangha (Middle Congo).

In 2002, the locality becomes chief town of one of the seven sub-prefectures of Mambéré-Kadeï, resulting from a division of the sub-prefecture of Gamboula.

[citation needed] The sub-prefecture consists of the only municipality of Lower Kadéï.

The locality of Sosso-Nakombo has 8,900 inhabitants in September 2014, including 100 displaced persons.