Soumbeïla Diakité (born 25 August 1984) is a Malian former professional footballer who played as a goalkeeper.
Diakité was part of the Mali U-20 team which finished third in group stage of 2003 FIFA World Youth Championship. He was part of the Malian 2004 Olympic team which exited in the quarter finals, finishing top of group A, but losing to Italy in the next round.