| Lough Anaserd | |
| Pushpin Map: | Island of Ireland |
| Pushpin Map Alt: | Lough Anaserd location in Ireland |
| Pushpin Label Position: | none |
| Pushpin Map Caption: | Location in Ireland |
| Location: | County Galway |
| Catchment: | 2.08km2 |
| Basin Countries: | Ireland |
| Length: | 1.2km (00.7miles) |
| Width: | 1km (01miles) |
| Area: | 0.87km2 |
| Elevation: | 8m (26feet) |
Lough Anaserd is a freshwater lake in the west of Ireland. It is located in west County Galway on the Slyne Head peninsula.
Lough Anaserd is about 12km (07miles) south of Clifden, near Ballyconneely. The lake has numerous rocky islands and is oligotrophic.
Lough Anaserd is home to the slender naiad (Najas flexilis), a rare plant species. The lake is part of the Slyne Head Peninsula Special Area of Conservation.