Olivier Deman (born 6 April 2000) is a Belgian professional footballer who plays as a left midfielder or winger for German club Werder Bremen and the Belgium national team.
On 31 August 2023, Deman left Cercle Brugge to join Bundesliga club Werder Bremen.
On 6 January 2025, Deman moved on loan to Antwerp until the end of the 2024âÂÂ25 season.
In June 2023, Deman was called up to the senior Belgium squad for the UEFA Euro 2024 qualifying matches against Austria and Estonia on 17 and 20 June 2023 respectively.