Mateus Cardoso Lemos Martins (born 15 February 2000), commonly known as Tetê, is a Brazilian professional footballer who plays as a winger for Greek Super League club Panathinaikos.

Born in Alvorada, Rio Grande do Sul, Tetê joined the youth academy of Grêmio in 2008.

[6] On 21 October 2020, Tetê scored the opening goal and provided one assist in Shakhtar's memorable 3–2 victory away to Real Madrid in the group stage of the UEFA Champions League.

[12] In July 2023, Tetê announced he would not be returning to Shakhtar Donetsk, citing the ongoing war in Ukraine as a contributing factor.

[14][15][16] Thirteen days later, he made his debut for the first team, coming on in the 82nd minute to replace Yunus Akgün in a 3–2 away win against Molde in the Champions League play-off round game.