| Glendollagh Lough | |
| Pushpin Map: | Island of Ireland |
| Pushpin Map Alt: | Glendollagh Lough location in Ireland |
| Pushpin Label Position: | none |
| Pushpin Map Caption: | Location in Ireland |
| Location: | County Galway |
| Catchment: | 49.61km2 |
| Basin Countries: | Ireland |
| Length: | 2.1km (01.3miles) |
| Width: | 0.5km (00.3miles) |
| Area: | 0.83km2 |
| Elevation: | 16m (52feet) |
Glendollagh Lough, also known as Garrowman Lough, is a freshwater lake in the west of Ireland. It is located in the Connemara area of County Galway.
Glendollagh Lough is located along the N59 road about 20km (10miles) east of Clifden, near the village of Recess. The lake is part of the Connemara Bog Complex Special Area of Conservation.