Ndiaga Dieng (born 17 July 1999) is a Senegalese and Italian para-athlete of Senegalese descent who represented Italy at the 2020 Summer Paralympics.

[1] Of Senegalese and later acquired Italian citizenship, Dieng represented Italy at the 2020 Summer Paralympics in the 1500 metres T20 event and won a bronze medal.

[2] He competed at the 2020 Italian U23 Palaindoor Ancona, and 2021 Palaindoor Ancona, in 800 metres and 1500 metres.

[3]