Denis-Christel Sassou Nguesso is a Congolese politician.
He is the son of President of Congo-Brazzaville Denis Sassou Nguesso.
Denis Christel was administrator-general of Cotrade and was subsequently appointed deputy director-general of the National Petroleum Company of the Congo (Société nationale des pétroles du Congo, SNPC) in December 2010.
He was elected to the National Assembly of Congo-Brazzaville in 2012.