Birigui is a city in the state of São Paulo, Brazil. The city is located on the northwest of the state and has 124,883 inhabitants and 530.9 km2 of area. The name Birigui comes from the Tupi–Guarani language and means "little fly". It refers to the Lutzomyia fly, very common at the area. The city is known for its children's footwear industry.