Barretos

 city, municipality

Barretos is a city and a microregion (see Barretos (microregion)) in the northern part of the state of São Paulo, Brazil. It has approximately 108,236 inhabitants and the area is 1,568.3 km². The elevation is 530 m. The municipality is bounded with Frutal in the north.

Barretos is linked with rail and is connected by state highways as well as an old road and a superhighway southwest with three interchanges linking Frutal and Campo Grande, Mato Grosso do Sul as well as a highway to the west linking north to Frutal and a highway linking Curitiba and Goiânia and also to Brasília via Frutal. A mixture of farmlands and hills covered with forests dominate the rest of the countryside. The reservoir that supplies water and electricity as well as flood control lies to the north.