César Guerra-Peixe (March 18, 1914 – November 26, 1993) was a Brazilian violinist, composer, and conductor.

Peixe is a municipality in the state of Tocantins in the Northern region of Brazil.

Peixe River or Do Peixe River or Rio do Peixe (peixe means "fish" in Portuguese) may refer to the following rivers:

The Peixe River (lower Araguaia River) is a river of Goiás state in central Brazil.

The Do Peixe River (Mato Grosso do Sul) is a river of Mato Grosso do Sul state in southwestern Brazil.

The Do Peixe River (Santa Catarina) is a river of Santa Catarina state in southeastern Brazil. It is part of the Uruguay River basin.

The Do Peixe River (Jaguari River) is a river of São Paulo state in southeastern Brazil.