Atair Mimito Rocha Biai (born 12 December 1997), known as Mimito Biai, is a Bissau-Guinean professional footballer who plays as a midfielder for Liga Portugal 2 club Lusitânia Lourosa and the Guinea-Bissau national team.
On 11 September 2016, Biai made his professional debut with Vitória Guimarães B in a 2016âÂÂ17 LigaPro match against Portimonense. In June 2022, he joined Bulgarian club Cherno More. In January 2023, Biai signed a contract with Romanian team ArgeàPiteÃÂti.
On 25 March 2025, Armenian Premier League club Pyunik announced the signing of Biai. On 9 June 2025, Pyunik announced that Biai had left the club.
On 13 July 2025, Biai returned to Portugal, signing a one-year contract with Liga Portugal 2 club Lusitânia.
Biai was born in Guinea Bissau and raised in Portugal. He is a former youth international for Portugal. He debuted with Guinea-Bissau in a friendly 3âÂÂ0 win over Equatorial Guinea on 23 March 2022.