Nether Alderley Mill is a 16th-century watermill located in Congleton Road (the A34), to the south of the village of Nether Alderley, Cheshire, England. It is owned by the National Trust, and is recorded in the National Heritage List for England as a designated Grade II* listed building. It is a unique example of a triple overshot waterwheel system, two of which are in working order.