Mamadou Diouldé Bah (born 25 April 1988) is a Guinean professional footballer who plays as a midfielder for US Raon-l'Étape.

Born in Conakry, Bah began his career at Friguiabé FC before joining Athlético de Coléah in 2005.

On 4 September 2011, in the 2012 Africa Cup of Nations qualifying match against Ethiopia, he broke his left hand.

[2] Until the end of the 2012–13 season, Stuttgart decided not to offer him an extended contract leaving him a free agent.

On 5 January 2014, Bah rejoined his first professional club Strasbourg on a one-year-and-a-half contract.