Castlerea Prison
| Location | Harristown, Castlerea, County Roscommon, Ireland |
|---|---|
| Coordinates | 53°45′17″N 8°29′20″W / 53.754843°N 8.488866°W |
| Status | Operational |
| Security class | Medium security |
| Capacity | 340 |
| Population | 320 (as of 2022) |
| Opened | 1996 |
| Managed by | Irish Prison Service |
| Governor | Mr. David Conroy |
Castlerea Prison (Irish: Príosún an Chaisleáin Riabhach) is a closed category, medium security prison in Castlerea, County Roscommon, Ireland. It houses men over 17 years of age. As of 2022, it had a bed capacity of 340 and the daily average number of resident inmates was 320.