List of rivers in Mato Grosso do Sul (Brazilian State).
The list is arranged by drainage basin, with respective tributaries indented under each larger stream's name and ordered from downstream to upstream. All rivers in Mato Grosso do Sul drain to the Atlantic Ocean via the Paraná River.
Rio Grande do Sul is a state in the southern region of Brazil. It is the fifth-most-populous state and the ninth largest by area. Located in the southernmost part of the country, Rio Grande do Sul is bordered clockwise by Santa Catarina to the north and northeast, the Atlantic Ocean to the east, the Uruguayan departments of Rocha, Treinta y Tres, Cerro Largo, Rivera and Artigas to the south and southwest, and the Argentine provinces of Corrientes and Misiones to the west and northwest. The capital and largest city is Porto Alegre. The state has the highest life expectancy in Brazil, and the crime rate is relatively low compared to the Brazilian national average. Despite the high standard of living, unemployment is still high in the state, as of 2017. The state has 5.4% of the Brazilian population and it is responsible for 6.6% of the Brazilian GDP.