The Ashover Light Railway was a 1 ft 11+1⁄2 in narrow gauge railway in Derbyshire, England that connected Clay Cross and Ashover. It was built by the Clay Cross Company to transport minerals such as limestone, fluorite, barytes and gritstone to its works at Clay Cross and for transport around the country by the LMS.

Clay Cross is a town and a civil parish in the North East Derbyshire district of Derbyshire, England. It is a former industrial and mining town, about 5 miles (8.0 km) south of Chesterfield. It is directly on the A61. Surrounding settlements include North Wingfield, Tupton, Pilsley and Ashover.