Maria Brigitta Catherina (Ria) Beckers-de Bruijn (born 2 November 1938 in Driebergen – 22 March 2006 in Wadenoijen) was a Dutch Green politician. She was the political leader of the progressive Christian party PPR and its successor GreenLeft.Because of her motherly appearance Beckers was called "Moeder" (Mother) by other PPR-members, after the foundation of the GreenLeft she was called "De Akela van GroenLinks" (Akela (Cub Scout-leader) of the GreenLeft).