Edlingham Burn is a small river, which is a tributary of the River Aln in Northumberland. The burn is 14.2 km long, with a catchment area of 28 km2. The burn flows through the village of Edlingham and runs close to Edlingham Castle, Lemmington Mill, and Lemmington Hall. The burn is spanned by the Edlingham Railway Viaduct. Edlingham Burn joins the River Aln near Broome Park.