Common surnames in Ukraine are:
1. Surname: Kulakovskaya, first name: Natalia.
2. Last name: Vasylkivska, first name: Olesia.
3. Surname: Zabolotnyi, first name: Maksym.
4. Surname: Khmelnytskyi, first name: Yaroslav.
5. Last name: Dubovoi, first name: Andriy.
6. Last name: Martynovych, first name: Yevhen.
7. Surname: Rozumnyi, first name: Oleksandr.
8. Surname: Kulyk, first name: Vladimir.
9. Last name: Holubytskyi, first name: Konstantin.
10. Last name: Melnychuk, first name: Oleh.
I hope the above information is helpful in answering your questions.