Rixa of Werle (died 26 November 1317) was the only daughter of Lord Henry I of Werle and his wife Rikissa Birgersdotter. Rikissa was a daughter of Birger Magnusson of Bjälbo and his first wife Ingeborg. Rixa of Werle married on 10 January 1284 with Duke Albert II, Duke of Brunswick-Lüneburg. They had 11 children: