| Ørsdalsvatnet | |
| Other Name: | Ørdalsvatnet |
| Pushpin Map: | Rogaland#Norway |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location of the lake |
| Location: | Bjerkreim, Rogaland |
| Coords: | 58.6179°N 6.1954°W |
| Type: | fault / fjord lake |
| Inflow: | Bjordalsåna, Høylandsåna, Kvitlaåna, Litlåna and Storåna |
| Outflow: | Oreåna river |
| Catchment: | 245.05km2 |
| Basin Countries: | Norway |
| Length: | 17km (11miles) |
| Width: | 1.2km (00.7miles) |
| Area: | 12.39km2 |
| Depth: | 137m (449feet) |
| Max-Depth: | 243m (797feet) |
| Volume: | 1.697km3 |
| Shore: | 36.52km (22.69miles) |
| Elevation: | 64m (210feet) |
| Reference: | NVE |
Ørsdalsvatnet or Ørdalsvatnet is a lake in the municipality of Bjerkreim in Rogaland county, Norway.[1] The 12.39km2 lake lies about northeast of the village of Bjerkreim. The lake is rather narrow, but it is 17km (11miles) long.
