Kingston Penitentiary
| 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.