The Hampton Down Stone Circle is a stone circle located near to the village of Portesham in the south-western English county of Dorset. Archaeologists believe that it was likely erected during the Bronze Age. The Hampton Down ring is part of a tradition of stone circle construction that spread throughout much of Britain, Ireland, and Brittany during the Late Neolithic and Early Bronze Age, over a period between 3,300 and 900 BCE. The purpose of such monuments is unknown, although archaeologists speculate that they were likely religious sites, with the stones perhaps having supernatural associations for those who built the circles. However, it has been suggested that the site is not a stone circle at all, but is instead made up of kerbstones from a Bronze Age round barrow.