Moustapha Bayal Sall is a Senegalese football midfielder who currently plays for AS Saint-Étienne. He joined the Ligue 1 club during the summer of 2006 from Senegalese club US Gorée following a brief spell with in IK Start in Norway.
In March 2007 he signed a contract with IK Start. But three months later, having never played a game for the club, he signed for AS Saint-Étienne. Start brought the matter to FIFA and on 3 December 2007 Sall was handed a four month ban due to start in July 2008 and Saint-Étienne were ordered to pay $150,000 in compensation to the Norwegian club.