| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| OLEKSANDER | - | Ukrainian | ||
| OLEKSANDR | - | Ukrainian | ||
| OLEKSANDRA | - | Ukrainian | ||
| OLEKSIY | - | Ukrainian | ||
| OLENA | - | Ukrainian | ||
| OLES | - | Ukrainian | ||
| OLEV | - | Estonian | ||
| OLEXIY | - | Ukrainian | ||
| Olga | ['ɔlgə] | |||
| OLGA | OL-gah (Russian), AWL-gah (Polish, German) | Russian, Ukrainian, Polish, German, Swedish, Norwegian, Danish, Icelandic, Latvian, Hungarian, Itali | ||
| OLGICA | - | Macedonian, Serbian | ||
| OLHA | - | Ukrainian | ||
| OLI | AHL-ee | English | ||
| OLIMPIA | aw-LEEM-pyah (Polish) | Italian, Spanish, Romanian, Polish, Hungarian | ||
| OLIVÉR | O-lee-vayr | Hungarian |