Olga (Old East Slavic: Вольга, romanized: Volĭga;[a] Old Norse: Helga; Lith: Alge; Christian name: Elena; c. 890–925 – 969) was a regent of Kievan Rus’ for her son Sviatoslav from 945 until 960. Following her baptism, Olga took the name Elenа (Old East Slavic: Ѡлена, romanized: Olena).





