Lamine Mohamed Diaby (born 3 September 1996) is a French professional footballer for Super League Greece 2 club Chania.
On 11 August 2023, Diaby joined Sheffield Wednesday on a season-long loan with the option-to-buy. Diaby made his debut on 19 August 2023 against Preston North End, but came off with a serious injury which would see him have an extended spell on the sidelines. He returned from his injury on 1 January 2024, coming off the bench against Hull City.