It depends on what exactly you mean. If you mean the most famous Ukrainian woman, then, perhaps, it's Olga Kurylenko. However, Olga Kurylenko has French residency, so you may want to learn about some of the most popular and beautiful Ukrainian women who live in Ukraine. It could be Dasha Astafieva. This beautiful woman is a Ukrainian singer and a model. She appeared on the 55th Anniversary Playmate for American Playboy.