| Part of speech | proper name |
|---|---|
| Hyphenation | Bru·nej·o |
| Nominative | Brunejo |
|---|---|
| Accusative | Brunejon |
| Catalan | Brunei |
|---|---|
| Czech | Brunej |
| Dutch | Broenei |
| English | Brunei |
| Finnish | Brunei |
| French | Brunei |
| German | Brunei |
| Greek | Μπρουνέι |
| Icelandic | Brúnei |
| Latin | Bruneium |
| Luxemburgish | Brunei |
| Malay | Brunei |
| Norwegian | Brunei |
| Russian | Бруней |
| Spanish | Brunéi |
| Swedish | Brunei |
| Thai | บรูไน |
| Ukrainian | Бруней |