Norway's patron saint is a figure of great importance in the country's history. The three solutions to the crossword are Olaf (4 letters), Olav (4 letters) and Olafii (6 letters). Olaf was a Viking king who reigned over Norway from 1015 to 1028. He was later canonized as a saint and is now venerated as the patron saint of Norway. Olav was the son of Olaf and succeeded him as king. Olafii was the grandson of Olaf and also served as king of Norway. All three figures are remembered for their contributions to the country and are celebrated as Norway's patron saints.