Mamadou Bagayoko (born 21 May 1979) is a former professional footballer who played as a forward.
He moved to AC Ajaccio in August 2003 and was seen as an integral figure in helping to keep the club in Ligue 1 that season.
Nantes signed him for around €1.3 million in July 2004 as a replacement for Marama Vahirua on a four-year contract but ended up moving on loan to OGC Nice in July 2005, helping them reach the final of the French League Cup which they lost 2–1 to Nancy.
He made his Doncaster debut in the 2–0 home loss to Notts County in the FA Cup.
On 18 February 2012, Bagayoko scored two goals from the bench for Doncaster in their 3–2 loss away to Leeds United.