| Auldearn Castle | |
| Location: | Auldearn, Highland, Scotland |
| Map Type: | Scotland Highland |
| Map Relief: | yes |
| Coordinates: | 57.5776°N -3.8123°W |
| Built: | 12th century |
Auldearn Castle was a castle near the village of Auldearn, Highland in Scotland.
Constructed as an earth and timber motte-and-bailey castle during the reign of William the Lion in the late 12th century. The castle was handed over by the constable Gillecolm de Madderty to Donald Meic Uilleim during a revolt in Moray in 1187. It was a royal castle used by the Scottish Crown. The castle was the site of the fealty of William, Earl of Ross to King Robert the Bruce in 1308.