Tiémoko Ismaël Diomandé (born 28 August 1992) is an Ivorian professional footballer who plays as a midfielder.

Diomandé was born in Abidjan, Ivory Coast, and first played youth football for ASEC Mimosas.

[4] In 2011, he was in the starting lineup of the Under-19 Gambardella Cup final against Monaco, and broke into the first team the same year.

[5] Starting from 2019, Diomandé competed abroad in Turkey, with successive stints at Çaykur Rizespor, Konyaspor and Samsunspor.

On 23 March 2023, he agreed to a deal for an undisclosed period with Romanian club Petrolul Ploiești.