This is a list of rivers of Argentina.
| Name | Length (km) | Discharge ( m³/s) |
| Paraná River | 4880 | 16,806 |
| Uruguay River | 1,110 | 5,026 |
| Negro River | 635 | 865 |
| Bermejo River | 1,000 | 339 |
| Pilcomayo River | 850 | 152 |
| Colorado River | 860 | 134 |
| Salado River | 700 | 88 |
| San Juan River | 500 | 56 |
| Mendoza River | 400 | 50 |
| Chubut River | 810 | 48 |
| Salado del Norte River | 2,000 | 15 |
| Desaguadero River | 1,200 | 14 |
| Deseado River | 615 | 5 |

This list is arranged by drainage basin, with respective tributaries indented under each larger stream's name. Rivers in the table above are in bold.
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List of rivers of South America | |
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