| Jaguari River | |
| Source1 Location: | Rio Grande do Sul state |
| Mouth Location: | Ibicuí River |
| Mouth Coordinates: | -29.6947°N -55.131°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Brazil |
The Jaguari River (Portuguese: Rio Jaguari) is a river of Rio Grande do Sul state in southern Brazil. It is a tributary of the Ibicuí River,[1] which in turn is a tributary of the Uruguay River.