| EQUIVALENTS |
| CROATIAN: Oliver |
| CZECH: Oliver |
| DANISH: Oliver |
| DUTCH: Olivier |
| ENGLISH: Oliver |
| ESTONIAN: Oliver |
| FINNISH: Oliver |
| FRENCH: Olivier |
| GERMAN: Oliver |
| HUNGARIAN: Olivér |
| ITALIAN: Oliviero |
| MACEDONIAN: Oliver |
| MEDIEVAL FRENCH: Olivier |
| NORWEGIAN: Oliver |
| POLISH: Oliwier |
| SERBIAN: Oliver |
| SLOVAK: Oliver |
| SWEDISH: Oliver |
|
| DIMINUTIVES AND SHORT FORMS |
| ENGLISH: Oli, Ollie |
| MEDIEVAL ENGLISH: Noll |
|
| FEMININE FORMS |
| CROATIAN: Olivera |
| LITERATURE: Olivette |
| MACEDONIAN: Olivera |
| SERBIAN: Olivera |
|
| OTHER FORMS |
| ANCIENT GERMANIC: Alfher |
| ANCIENT SCANDINAVIAN: Áleifr, Alfarr |
| CZECH: Olivie |
| DANISH: Olaf, Olav, Ole, Olivia, Oluf, Vivi |
| DUTCH: Olaf |
| ENGLISH: Alivia, Liv, Livia, Livvy, Olivia, Ollie, Olyvia |
| ESTONIAN: Alvar, Olavi, Olev |
| FAROESE: Ólavur |
| FINNISH: Olavi, Olivia, Olli, Uolevi |
| FRENCH: Olivie |
| GERMAN: Olaf, Olivia |
| HUNGARIAN: Olívia |
| ICELANDIC: Elvar, Ólafur |
| IRISH: Amhlaoibh |
| ITALIAN: Olivia |
| NORWEGIAN: Ola, Olaf, Olav, Ole, Olivia, Vivi |
| POLISH: Olaf, Oliwia |
| PORTUGUESE: Álvaro, Olavo, Olívia |
| SCOTTISH: Amhlaidh, Aulay |
| SLOVAK: Olívia |
| SPANISH: Álvaro, Olivia |
| SWEDISH: Alvar, Ola, Olivia, Olle, Olof, Olov, Vivi |
|