All 13 boys' names beginning with O that have a popularity page, ranked by all-time births (1935–2017). Looking for Girls names starting with O?
| # | Name | Total babies | 2017 rank |
|---|---|---|---|
| 1 | Olivier | 5,173 | – |
| 2 | Oscar | 5,084 | – |
| 3 | Olaf | 4,809 | – |
| 4 | Onno | 3,128 | – |
| 5 | Otto | 2,669 | – |
| 6 | Omar | 2,228 | – |
| 7 | Olav | 1,181 | – |
| 8 | Osman | 895 | – |
| 9 | Ole | 878 | – |
| 10 | Onur | 739 | – |
| 11 | Okke | 609 | – |
| 12 | Oswald | 117 | – |
| 13 | Obe | 25 | – |