Alan Rufus, alternatively Alanus Rufus (Latin), Alan ar Rouz (Breton), Alain le Roux (French) or Alan the Red, 1st Lord of Richmond, was a Breton nobleman, kinsman and companion of William the Conqueror during the Norman Conquest of England. He was the second son of Eozen Penteur by Orguen Kernev. William the Conqueror granted Alan Rufus a significant English fief, later known as the Honour of Richmond, in about 1071.

Richmond is a market town and civil parish in North Yorkshire, England. It is located at the point where Swaledale, the upper valley of the River Swale, opens into the Vale of Mowbray. The town's population at the 2011 census was 8,413. The town is 13 miles (21 km) north-west of Northallerton, the county town, and 41 miles (66 km) north-west of York.