Oumar Diakité (born 20 December 2003) is an Ivorian footballer who plays as a forward for Ligue 1 club Reims and the Ivory Coast national team.

[5] Diakité scored his first goal against SK Rapid Wien II in the league match on 3 April.

[6] On 21 June 2023, Diakité signed up for Ligue 1 club Stade de Reims on a five-year contract.

[7] Diakité was called up to the Ivory Coast for a set of 2023 Africa Cup of Nations qualification matches in June 2022.

[11] In December 2023, he was named in the 27-man squad for the 2023 Africa Cup of Nations hosted in Ivory Coast.