Olga \o-lga, ol-ga\ as a girl's name is pronounced OL-gah. It is of Old Norse and Scandinavian origin, and the meaning of Olga is "blessed, holy; successful". The Russian form of Helga. Popular in the Russian imperial family. The Russian Saint Olga was a princess from Kiev and a 10th-century Christian convert. Gymnast Olga Korbut.

Olga has 5 variant forms: Elga, Helga, Ola, Olenka and Olia.

Baby names that sound like Olga are Ellga, Ilka, Elka and Ulka.