Langley Mill is a small town in the Amber Valley district of Derbyshire, England. It is on the border of Nottinghamshire, and runs into the towns of Aldercar (to the west) and Heanor (to the south). Across the River Erewash is the Nottinghamshire town of Eastwood. It is part of the Aldercar and Langley Mill parish. Although the town has an "NG" postcode, it is in Derbyshire. (The boundary used to be the River Erewash, but the River Erewash canal basin moved from Nottinghamshire to Derbyshire a few years ago, and the A610 is the new boundary.)
Originally named Long Lea, the village of Langley Mill was a major employer throughout the mid 1900s with many companies including The Flour Mill, Langley Mill Pottery, Aristoc & Co Ltd and Vic Hallam Limited.
Aristoc & Co Limited on North Street became a target for German Bombers during the Second World War. Originally a manufacturer of silk stockings, Aristoc manufactured parachutes for the war effort. The buildings have now been replaced with housing.
International Superbike champion Ron Haslam hailed from Langley Mill. He won many titles in the 1970s and early 1980s on the international motorcycle scene, pitting his natural talents against major stars including Barry Sheene.
The town is at the junction of the Erewash Canal, the Cromford Canal, and the Nottingham Canal. The town is the site of Langley Mill railway station, on the Erewash Valley Line. The A610 £2.5 million Langley Mill Bypass was opened on 8 September 1983, by Joe Carty, the leader of Derbyshire County Council.