| Lago Cardiel | |
| Location: | Río Chico Department, Santa Cruz Province, Patagonia |
| Coords: | -48.95°N -84°W |
| Pushpin Map: | Argentina |
| Inflow: | Rio Cardiel |
| Outflow: | none |
| Basin Countries: | Argentina |
| Area: | 370km2 |
| Depth: | 49.1m (161.1feet) |
| Max-Depth: | 76m (249feet) |
| Elevation: | 276m (906feet) |
Lago Cardiel (pronounced as /es/) is a lake in Patagonia, Argentina, between the Andean Cordillera and the South Atlantic.