Olga of Kiev was the ruler of Kievan Rus' from 945 to 969. The Viking Age is the period from the late 8th century to the 11th century in Northern Europe, characterized by extensive seafaring activity. Olga was born in the early 900s, and she died in 969. So, Olga lived during the Viking Age.
The Mysterious Reign of Olga of Kiev: Unveiling the Legacy of a Fearless Princess