Oleksandra Mikhailovna Bilozerska-Kulish (Ukrainian: Олекса́ндра Михай́лівна Білозе́рська-Кулі́ш; 5 May 1828 – 6 July 1911), who commonly wrote under the pseudonym Hanna Barvinok, was a Ukrainian writer and folklorist. Considered one of the most important writers in Ukraine, she was the first female writer of modern Ukrainian literature and became a pioneer of ethnographic realism in Ukrainian writing.
In addition to her better-known pseudonym of Hanna Barvinok, she also wrote under the name A. Nečuj-Viter. She was married to the writer Panteleimon Kulish and was the sister of Vasyl and Mykola [uk] Bilozersky.
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