| Country: | England |
| Static Image Name: | Johnby Hall. - geograph.org.uk - 114445.jpg |
| Static Image Caption: | Johnby Hall |
| Coordinates: | 54.688°N -2.879°W |
| Official Name: | Johnby |
| Civil Parish: | Greystoke |
| Shire District: | Eden |
| Shire County: | Cumbria |
| Region: | North West England |
| Constituency Westminster: | Penrith and The Border |
| Post Town: | PENRITH |
| Postcode District: | CA11 |
| Postcode Area: | CA |
| Dial Code: | 017684 |
| Os Grid Reference: | NY433329 |
| Pushpin Map: | United Kingdom Eden |
| Pushpin Map Caption: | Location in Eden, Cumbria |
| Label Position: | left |
Johnby is a hamlet in the Eden District, in the English county of Cumbria. It is about from the large town of Penrith and about from the village of Greystoke. The B5305 road, the B5288 road, the A66 road and the M6 motorway are all nearby. Circa 1870, it had a population of 92 as recorded in the Imperial Gazetteer of England and Wales.[1]
To the south of the hamlet is Johnby Hall, a fortified house or peel tower dating probably from the 14th Century, with alterations and extensions in every century since.[2]