| 1. | oliwia |
3067 |
| 2. | olivia |
237 |
| 3. | olga |
120 |
| 4. | otylia |
71 |
| 5. | oliviia |
70 |
| 6. | oktawia |
55 |
| 7. | ofelia |
45 |
| 8. | olimpia |
38 |
| 9. | oleksandra |
37 |
| 10. | ola |
25 |
| 11. | oriana |
10 |
| 12. | otolia |
5 |
| 13. | olena |
5 |
| 14. | odetta |
5 |
| 15. | olesia |
4 |
| 16. | oksana |
4 |
| 17. | olha |
3 |
| 18. | oda |
2 |
| 19. | odette |
2 |
| 20. | oluwatoyin |
2 |
| 21. | oliwiia |
2 |
| 22. | orysia |
2 |
| 23. | oliviya |
2 |
| 24. | olympia |
2 |
| 25. | ona |
0 |
| 26. | orysa |
0 |
| 27. | ortrud |
0 |
| 28. | olha-karina |
0 |
| 29. | oluwatomisin |
0 |
| 30. | otilia |
0 |
| 1. | oliwier |
2453 |
| 2. | oskar |
1825 |
| 3. | olaf |
317 |
| 4. | olivier |
190 |
| 5. | oliver |
134 |
| 6. | oleksandr |
112 |
| 7. | olgierd |
76 |
| 8. | oliwer |
50 |
| 9. | oktawian |
48 |
| 10. | orest |
45 |
| 11. | oscar |
32 |
| 12. | ostap |
22 |
| 13. | oleksii |
18 |
| 14. | olek |
17 |
| 15. | oleg |
14 |
| 16. | omar |
12 |
| 17. | otto |
7 |
| 18. | oleh |
5 |
| 19. | oleksander |
4 |
| 20. | orion |
3 |
| 21. | octavian |
3 |
| 22. | oktavian |
2 |
| 23. | omer |
2 |
| 24. | osmo |
2 |
| 25. | oisin |
2 |
| 26. | oussaid |
2 |
| 27. | odissei |
0 |
| 28. | omelyan |
0 |
| 29. | ovsep |
0 |
| 30. | olanrewaju |
0 |