 Kingston Penitentiary front entrance | |
 | |
| Location | Kingston, Ontario |
|---|---|
| Coordinates | 44°13′10″N 76°30′49″W / 44.21944°N 76.51361°W |
| Security class | Maximum security |
| Capacity | 564 |
| Opened | June 1, 1835 |
| Closed | September 30, 2013 |
| Managed by | Correctional Service Canada |
| Designated | 1990 |
Kingston Penitentiary (known locally as KP and Kingston Pen) is a former maximum security prison located in Kingston, Ontario, Canada, between King Street West and Lake Ontario.