Olga Nikolaevna Bondareva was a distinguished Soviet mathematician and economist. She contributed to the fields of mathematical economics, especially game theory.

Olga Igorevna Buzova is a Russian media personality and singer. Buzova is regarded as one of the most successful Russian contemporary entertainers.

Princess Olga Cantacuzène-Altieri was a Russian-Italian aristocrat and novelist who wrote in French.

Olga Nikolayevna Chyumina was a poet, novelist, playwright and translator from the Russian Empire.

Olga Aleksandrovna Fedchenko or Fedtschenko was a Russian botanist. Rosa fedtschenkoana, which is found in Asia, was named in her honour.

Olga Dmitryevna Forsh, née Komarova, was a Russian/Soviet novelist, dramatist, memoirist, and scenarist.

Olga Freidenberg was a Russian and Soviet classical philologist, one of the pioneers of cultural studies in Russia. She is also known as the cousin of the famous writer Boris Pasternak; their correspondence has been published and studied.

Olga Gennadievna Glazova is a Russian singer-songwriter, composer and poet. She performed an academic repertoire of gusli and Russian folk songs in her own adaptation. Glazova is one of few performers who uses Russian folk instrument gusli and ancient harp to make repertoire prevailed by its own instrumental compositions and songs in Russian, English and other languages. Her first public performance took place in Pskov in 2001, during the international competition for young performers on folk multi-string instruments. By now she has been twice nominated for S. Kuryokhin award in the field of contemporary art – "Ethnomechanica – the best world music project", winner of about 30 international and national competitions of folk music, has published two solo albums of the harp music, and is engaged in restoration of lost equipment fingers playing the harp. Olga plays the custom 30-stringed harp crafted for her by A.Teplov. She cooperated with the notable russian acts such as "Affinage (band)", "Theodor Bastard", "Sergey Nikolaevich Starostin", "Aquarium (band)". In 2020 she has collaborated with the Art of Peace global project, composed and arranged by Mehran Alirezaei.

Olga Grjasnowa is a German writer currently living in Berlin, Germany.

Olga Ilyin, a pen name for Olga Baratynskaya or Olga Alexandrovna Boratynskaya was a Russian-born American poet and novelist. Her works were published in Russian, German and English.