Dame Geraldine Cadbury, DBE (née Southall; 29 June 1864 – 30 January 1941) was a British Quaker, author, social and penal reformer. Geraldine was one of the first women in Birmingham to become a magistrate. From 1923, she chaired the justices’ panel in the Children's Court of Birmingham. In the 1930s she assumed prominent positions on several Home Office Committees and International Associations.