Matheus Planelles Donelli (born 17 May 2002) is a Brazilian professional footballer who plays as a goalkeeper for Corinthians.

[1] After an excellent season in 2019, he was included in the squad for the following year's Copa São Paulo de Futebol Júnior, where he reached the semifinals.

[3] He made his debut for Corinthians on March 3, 2021, in a 2-2 draw against Palmeiras, at the Neo Química Arena, in the 2021 Campeonato Paulista.

[4] In 2019, he was champion of the 2019 FIFA U-17 World Cup, where he also won the Golden Glove as the best goalkeeper of the tournament.

[5] On September 22, 2023, he was called up to the Brazilian Under-23 team to compete in the 2023 Pan American Games in Santiago, Chile.