Mateus de Carvalho Cardoso Alves (born 23 January 2001) is a Brazilian tennis player.

He has a career high ATP singles ranking of world No.

He also has a career high doubles ranking of No.

[1] Alves made his ATP main draw debut at the 2019 Rio Open in the doubles draw partnering Thiago Seyboth Wild.

This biographical article relating to Brazilian tennis is a stub.