Guilherme Sucigan Mafra Cunha (born 20 April 2004), commonly known as Guilherme Biro or simply Biro is a Brazilian footballer who plays as a winger for Sharjah, on loan from Corinthians.

He is a left footed player, but he has been successfully deployed on both flanks, also playing as a left-back on a number of occasions.

[2] In December 2020 Guilherme Biro signed his first professional contract with Corinthians until the end of 2023.

[4] Guilherme Biro was called up to the under-15 team in 2019, and featured in the 2019 South American U-15 Championship.

This biographical article related to a Brazilian association football midfielder born in the 2000s is a stub.