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- Ragnhild Haraldsdottir, Heiress of Jarald Gulskeg, Jarl of Sogn who brought her father's territory to her husband Halfdan the Black Gudrodsson (808-848).
- Regine of Goth, also known as Reine of Got or Goth, Heiress to Lomagne & Auvillars
- Renee of Anjou (d.1597), Duchess of Saint-Fergau, 1568-?, Marquise of Mézières, 1568-?
- Renee of Orléans (1508–1515), Countess of Dunois, Tancarville & Montgomery, 1513-1515
- Renee of Savoy (1535–1587), Countess of Tende
- Ricciarda Malaspina (1497-1553), Duchess of Carrara, Duchess of Massa
- Richardis of Dyck, Lady of Dyck
- Richardis of Tecklenburg, Heiress of Tecklenburg-Ibbenburen
- Richinza of Spitzenburg (d.1092/1110), Heiress of Kirchen
- Roscie du Caylar (d. after 1192), Lady of Uzes
- Razia Sultana (1236–1240), Ruler of India
Read more about this topic: List Of Female Rulers And Title Holders