Aliou Dieng (born 16 October 1997) is a Malian professional footballer who plays as a defensive midfielder for Egyptian Premier League club Al Ahly and the Mali national team.
In July 2019, Dieng joined Egyptian club Al Ahly on a five-year contract for an undisclosed fee.
On 23 August 2024, Dieng joined Saudi Arabian club Al-Kholood on a one-year loan.
Dieng represented a local team of Mali at the 2016 African Nations Championship, and scored a penalty in their 2–1 quarter-final win over Tunisia. In 2020, Dieng played for the Malian national team for the first time at non-local level, in 2–1 victory against Namibia. With his home country, he also participated at the 2021 Africa Cup of Nations.
