Back Bandera de Río Grande del Sur Spanish Rio Grande do Suli osariigi lipp Estonian Vlag van Rio Grande do Sul Dutch Bandeira do Rio Grande do Sul Portuguese Флаг Риу-Гранди-ду-Сул Russian
 | |
| Use | Civil and state flag |
|---|---|
| Proportion | 7:10 |
| Adopted | 5 January 1966 |
The flag of Rio Grande do Sul is the official flag of the Brazilian state of Rio Grande do Sul.