The Millmoor Ground, commonly known as Millmoor, is a football stadium in Rotherham, South Yorkshire, England. It was the home ground of Rotherham County between 1907 and 1925, and then its successor Rotherham United until 2008. The stadium has had no professional tenant since, but has been in use again for local youth football since 2016. It has been described as "the spiritual home" of Rotherham United.