| Turgesius Island | |
| Settlement Type: | Town |
| Pushpin Map: | Ireland |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Ireland |
| Subdivision Type: | Country |
| Subdivision Name: | Ireland |
| Subdivision Type1: | Province |
| Subdivision Name1: | Leinster |
| Subdivision Type3: | County |
| Subdivision Name3: | County Westmeath |
| Unit Pref: | Metric |
| Population As Of: | 2006 |
| Population Density Km2: | auto |
| Utc Offset1: | +0 |
| Timezone1 Dst: | IST (WEST) |
| Utc Offset1 Dst: | -1 |
| Coordinates: | 53.6625°N -7.2222°W |
| Elevation M: | 125 |
| Blank Name: | Irish Grid Reference |
The principal island on Lough Lene is named after Turgesius who was a Viking leader who is said to have conquered Dublin.