| EQUIVALENTS |
| ANCIENT GERMANIC: Hrodebert, Hrodpreht, Robert |
| BRETON: Roparzh |
| CROATIAN: Robert |
| CZECH: Robert |
| DANISH: Robert |
| DUTCH: Robert, Robrecht, Rupert |
| ENGLISH: Robert, Rupert |
| FINNISH: Roopertti |
| FRENCH: Robert |
| GERMAN: Robert, Rupert, Ruprecht |
| HUNGARIAN: Róbert |
| ICELANDIC: Róbert |
| IRISH: Roibeárd |
| ITALIAN: Roberto |
| LATVIAN: Roberts |
| LITHUANIAN: Robertas |
| NORWEGIAN: Robert |
| POLISH: Robert, Rupert |
| PORTUGUESE: Roberto |
| ROMANIAN: Robert |
| RUSSIAN: Robert |
| SCOTTISH: Raibeart |
| SLOVAK: Robert |
| SLOVENE: Robert |
| SPANISH: Roberto, Ruperto |
| SWEDISH: Robert |
|
| DIMINUTIVES AND SHORT FORMS |
| DUTCH: Bob, Brecht, Rob, Robbe, Robin |
| ENGLISH: Bob, Bobbie, Bobby, Rob, Robbie, Robby, Robin |
| FINNISH: Pertti, Roope |
| HUNGARIAN: Robi |
| ITALIAN: Berto |
| MEDIEVAL ENGLISH: Hob, Hopkin |
| SCOTTISH: Rab, Rabbie |
| SPANISH: Berto |
| SWEDISH: Robin |
| WELSH: Hopcyn |
|
| FEMININE FORMS |
| DUTCH: Brechtje |
| ENGLISH: Bobbi, Bobbie, Robbie, Robena, Roberta, Robina, Robyn, Robynne |
| ITALIAN: Roberta, Robertina |
| SPANISH: Roberta, Robertina, Ruperta |
|