Circle Sanctuary is a non-profit pagan organization located in Barneveld, Wisconsin, southwest of Madison. It is led by Rev. Selena Fox. It is among the oldest pagan organizations in North America and is the oldest registered Wiccan Church in the United States. It is home to the Lady Liberty League, and is directly involved in the organization of Pagan Spirit Gathering. It is home to seasonal festivals and full moon celebrations.
The Circle Sanctuary grounds are a registered nature preserve located on a former farm in southern Wisconsin. On the land is the sanctuary itself, which is located primarily in the former farm buildings and the land immediately surrounding it. It is also home to several Native American burial mounds as well as a green cemetary.