Oksana Dmytrivna Ivanenko was a Ukrainian children's writer and translator. In 1974, she was the winner of the Lesia Ukrainka Literary Prize for the novels Рідні діти, Тарасові шляхи, and Лісові казки. She was also the winner of the Shevchenko National Prize in 1986, for the book Завжди в житті. She was awarded the Order of Friendship of Peoples, three Orders of the Badge of Honor, and medals.

Oksana Liaturynska was a Ukrainian artist, sculptor, writer, poet and public figure. Liaturynska signed her works either by her own name or by pen names: Oksana Pechenih, Roksana Vyshnevetska and Yeronim.

Oksana Aleksandrovna Pochepa is a Russian pop singer and model.

Oksana Vasyakina is a Russian poet, artist, curator, and feminist activist.

Oksana Stefanivna Zabuzhko is a Ukrainian novelist, poet, and essayist. Her works have been translated into several languages.

Oktay Abdulkerim oglu Afandiyev was an Azerbaijani historian, Orientalist, Doctor of Historical Sciences, Professor, Corresponding Member of ANAS and Founder of the Azerbaijan School of Safavid Studies.

Ali Oktay Rifat, better known as Oktay Rifat, was a Turkish writer and playwright, and one of the forefront poets of modern Turkish poetry since the late 1930s. He was the founder of the Garip movement, together with Orhan Veli and Melih Cevdet.

Oktyabrina Vladimirovna Voronova was the first Soviet poet of Sámi origin to write a poetry collection in a Sámi language in Russia. Voronova wrote in both Russian and Ter Sámi. She was living in Revda at the time of her death.

Ola Hansson (12 November 1860, Hönsinge, Sweden – 26 September 1925, Büyükdere, Turkey) was a Swedish poet, prose writer, and critic.

Olaf Benneche was a Norwegian novelist, children's writer and playwright.