| Hartley Castle | |
|---|---|
| Kirkby Stephen, Cumbria | |
 The castle site today | |
| Coordinates | 54°28′10″N 2°20′18″W / 54.4694°N 2.3383°W |
| Grid reference | grid reference NY78170828 |
| Type | Fortified manor house |
| Site information | |
| Owner | Private |
| Open to the public | No |
| Condition | Only earthworks and a vaulted cellar survive |
| Site history | |
| Materials | Stone |
Hartley Castle was a castle near Kirkby Stephen, Cumbria, England.