Eberhard Arnold was a German theologian and Christian writer. He was the founder of the Bruderhof in 1920.

The Bruderhof is a communal Anabaptist Christian movement that was founded in Germany in 1920 by Eberhard Arnold. The movement has communities in the United States, the United Kingdom, Germany, Austria, Paraguay, South Korea and Australia. The Bruderhof practises believer's baptism, non-violence and peacemaking, common ownership, the proclamation of the gospel, and lifelong faithfulness in marriage. The Bruderhof is an intentional community as defined by the Fellowship for Intentional Community.