Rognvald of Orkney was a Norse nobleman and a prominent figure in the history of the Orkney Islands. He was born around the late 10th century and became the Earl of Orkney, a title that signified his authority over the islands. Rognvald was known for his leadership and efforts to consolidate power in the region, often navigating complex relationships with other Norse leaders. He was also a member of the House of Knýtlinga, which connected him to notable figures like King Cnut. Rognvald's legacy includes his role in the expansion of Norse influence in Scotland and his contributions to the cultural and political landscape of the Viking Age.