| Dunglow Lough | |
| Pushpin Map: | Island of Ireland |
| Pushpin Map Alt: | Dunglow Lough location in Ireland |
| Pushpin Label Position: | none |
| Pushpin Map Caption: | Location in Ireland |
| Location: | County Donegal |
| Inflow: | Lough Craghy |
| Outflow: | Dungloe River |
| Catchment: | 37.67km2 |
| Basin Countries: | Ireland |
| Length: | 1.4km (00.9miles) |
| Width: | 0.7km (00.4miles) |
| Area: | 0.61km2 |
| Depth: | 1.3m (04.3feet) |
| Max-Depth: | 7.5m (24.6feet) |
| Elevation: | 13m (43feet) |
| Islands: | Flat Island, Fern Island, Black Island, Brush Island, Wren Island |
Dunglow Lough, also known as Dungloe Lough, is a freshwater lake in the northwest of Ireland. It is located in north County Donegal in the Rosses fishery.
Dunglow Lough is 1km (01miles) east of Dungloe. It measures about 1.5km (00.9miles) long and 1km (01miles) wide. The lake has five named islands.
Dunglow Lough is fed on its eastern side by neighbouring Lough Craghy. The lake drains westwards into the Dungloe River.
Fish species in Dunglow Lough include brown trout, salmon and the critically endangered European eel.