Carlton Main Brickworks () is a 15.5 hectare (38.4 acre) geological site of Special Scientific Interest in South Yorkshire. It opened alongside Grimethorpe colliery in the mid-1890s, and has been producing quality bricks for well over a century. The site was notified in 1989.
See also List of Sites of Special Scientific Interest in South Yorkshire
References Carlton Main Brickworks Natural England. Retrieved on 12 February 2009