Mateus Barbosa Santos Criciúma (born 19 January 1999) is a Brazilian professional footballer who plays as a winger for Liga I club FC Botoșani.
Santos started his football career as a junior at the academies of Paulista, Porto, Grêmio and Atlético Mineiro. He recorded his senior debut with the former club on 8 February 2017, in a 1–0 home defeat of Atibaia in the Campeonato Paulista Série A3.
On 23 July 2021, Santos joined FC Botoșani of Romania on a two-year contract. He made his debut on 6 August that year, in a 2–1 Liga I victory over UTA Arad.
