HM Prison Cardiff
| Location | Adamsdown, Cardiff |
|---|---|
| Coordinates | 51°28′52″N 3°10′06″W / 51.48111°N 3.16833°W |
| Security class | Adult Male/Category B |
| Population | 800 (as of September 2008) |
| Opened | 1832 |
| Managed by | HM Prison Service |
| Governor | Amanda Corrigan |
| Website | Cardiff at justice.gov.uk |
HM Prison Cardiff (Welsh: Carchar Caerdydd EF) is a Category B men's prison, located in the Adamsdown area of Cardiff, Wales. The prison is operated by His Majesty's Prison Service.