Inchcleraun
| Native name:  Inis Cloithrinn Nickname: Quaker Island | |
|---|---|
| Geography | |
| Location | River Shannon | 
| Coordinates | 53°35′02″N 8°00′40″W / 53.584°N 8.011°W | 
| Area | 0.577 km2 (0.223 sq mi) | 
| Administration | |
| Ireland | |
| Province | Leinster | 
| County | Longford | 
| Demographics | |
| Population | 0 | 
| Additional information | |
| Official name | Inchcleraun | 
| Reference no. | 91 | 
Inchcleraun (Irish: Inis Cloithrinn), also called Quaker Island, is an island situated in Lough Ree on the River Shannon, in central Ireland.
The island is home to the ruins of St. Diarmaid's Monastery, a monastery founded by Diarmaid the Just in AD 560. These buildings constitute a National Monument.