Mathieu De Smet (born 27 April 2000) is a Belgian professional footballer who plays as a winger for Gullegem.
De Smet joined Zulte Waregem in the summer 2016 from K.A.A. Gent. He signed his first professional contract with the club on 1 March 2019 and was permanently promoted into the first team squad. On 31 January 2020, De Smet moved to K.M.S.K. Deinze on loan for the rest of the season. On 31 August 2020, De Smet moved on loan to TOP Oss for the 2021âÂÂ22 season. On 3 January 2022, the loan was terminated early.