| Language | Name | Code |
|---|---|---|
| ace | Boulogne-sur-Seine | ace |
| Afrikaans | Boulogne-Billancourt | af |
| Akan | Boulogne-Billancourt | ak |
| Aragonese | Boulogne-Billancourt | an |
| Arabic | بولون-بيانكور | ar |
| arz | بولون بيانكور | arz |
| Asturian | Boulogne-Billancourt | ast |
| Azerbaijani | Bulon-Biyankur | az |
| azb | بولونی-بیانکور | azb |
| Bavarian | Boulogne-Billancourt | bar |
| Belarusian | Булонь-Біянкур | be |
| be-tarask | Булёнь-Біянкур | be-tarask |
| Bulgarian | Булон Биянкур | bg |
| Bambara | Boulogne-Billancourt | bm |
| Bengali | বুলইন-বিয়ঁকুর | bn |
| Breton | Boulogne-Billancourt | br |
| Catalan | Boulogne-Billancourt | ca |
| Chechen | Булонь-БийанкугӀ | ce |
| Cebuano | Boulogne-Billancourt | ceb |
| Corsican | Boulogne-Billancourt | co |
| Czech | Boulogne-Billancourt | cs |
| Chuvash | Булонь-Бийанкур | cv |
| Welsh | Boulogne-Billancourt | cy |
| Danish | Boulogne-Billancourt | da |
| German | Boulogne-Billancourt | de |
| de-at | Boulogne-Billancourt | de-at |
| de-ch | Boulogne-Billancourt | de-ch |
| diq | Boulogne-Billancourt | diq |
| Modern Greek (1453-) | Μπουλόν-Μπιγιανκούρ | el |
| English | Boulogne-Billancourt | en |
| en-ca | Boulogne-Billancourt | en-ca |
| en-gb | Boulogne-Billancourt | en-gb |
| Esperanto | Boulogne-Billancourt | eo |
| Spanish | Boulogne-Billancourt | es |
| Estonian | Boulogne-Billancourt | et |
| Basque | Boulogne-Billancourt | eu |
| Persian | بولوین-بیانکور | fa |
| Finnish | Boulogne-Billancourt | fi |
| Faroese | Boulogne-Billancourt | fo |
| French | Boulogne-Billancourt | fr |
| frc | Boulogne-Billancourt | frc |
| frp | Boulogne-Billancourt | frp |
| frr | Boulogne-Billancourt | frr |
| fur | Boulogne-Billancourt | fur |
| Irish | Boulogne-Billancourt | ga |
| Scottish Gaelic | Boulogne-Billancourt | gd |
| Galician | Boulogne-Billancourt | gl |
| gsw | Boulogne-Billancourt | gsw |
| Gujarati | બૌલોગ્ને-બિલનકોર્ટ | gu |
| Hebrew | בולון-ביאנקור | he |
| Hindi | बौळयूँ-बिल्लांकोर्ट | hi |
| Croatian | Boulogne-Billancourt | hr |
| Hungarian | Boulogne-Billancourt | hu |
| Armenian | Բուլոն Բիյանկուր | hy |
| hyw | Պուլոն - Պիյանքուռ | hyw |
| Interlingua (International Auxiliary Language Association) | Boulogne-Billancourt | ia |
| Indonesian | Boulogne-Billancourt | id |
| Interlingue | Boulogne-Billancourt | ie |
| Ido | Boulogne-Billancourt | io |
| Icelandic | Boulogne-Billancourt | is |
| Italian | Boulogne-Billancourt | it |
| Japanese | ブローニュ＝ビヤンクール | ja |
| jam | Boulogne-Billancourt | jam |
| Georgian | ბულონ-ბიანკური | ka |
| kab | Boulogne-Billancourt | kab |
| Kongo | Boulogne-Billancourt | kg |
| Kazakh | Булонь-Биянкур | kk |
| Kalaallisut | Boulogne-Billancourt | kl |
| Kannada | ಬೌಲೋಜ್ಞೆ ಬಿಲ್ಲ್ಯಾಂಕೋ | kn |
| Korean | 불로뉴비양쿠르 | ko |
| Latin | Bononia ad Sequanam | la |
| Luxembourgish | Boulogne-Billancourt | lb |
| Limburgan | Boulogne-Billancourt | li |
| lij | Boulogne-Billancourt | lij |
| lld | Boulogne-Billancourt | lld |
| Lithuanian | Bulonė-Bijankūras | lt |
| Latvian | Buloņa-Bijankūra | lv |
| mdf | Булонь-Биянкур | mdf |
| Malagasy | Boulogne-Billancourt | mg |
| min | Boulogne-Billancourt | min |
| Macedonian | Булоњ-Бијанкур | mk |
| Marathi | ब्लॉंग बिलेनकोर्ट | mr |
| Malay (macrolanguage) | Boulogne-Billancourt | ms |
| mzn | بولونی بیانکور | mzn |
| nan | Boulogne-Billancourt | nan |
| nap | Boulogne-Billancourt | nap |
| Norwegian Bokmål | Boulogne-Billancourt | nb |
| Low German | Boulogne-Billancourt | nds |
| nds-nl | Boulogne-Billancourt | nds-nl |
| Dutch | Boulogne-Billancourt | nl |
| Norwegian Nynorsk | Boulogne-Billancourt | nn |
| Narom | Boulogne-Billancourt | nrm |
| Occitan (post 1500) | Boulogne-Billancourt | oc |
| Ossetian | Булонь-Бийанкур | os |
| pap | Boulogne-Billancourt | pap |
| pcd | Boulonne-Bilancourt | pcd |
| Polish | Boulogne-Billancourt | pl |
| pms | Boulogne-Billancourt | pms |
| pnb | بولون-بلانکور | pnb |
| prg | Boulogne-Billancourt | prg |
| Portuguese | Boulogne-Billancourt | pt |
| pt-br | Boulogne-Billancourt | pt-br |
| rgn | Boulogne-Billancourt | rgn |
| Romansh | Boulogne-Billancourt | rm |
| Romanian | Boulogne-Billancourt | ro |
| Russian | Булонь-Бийанкур | ru |
| Sardinian | Boulogne-Billancourt | sc |
| Sicilian | Boulogne-Billancourt | scn |
| Scots | Boulogne-Billancourt | sco |
| sh | Boulogne-Billancourt | sh |
| Sinhala | බෝලෝන්-බිලන්කෝර්ට් | si |
| Slovak | Boulogne-Billancourt | sk |
| Slovenian | Boulogne-Billancourt | sl |
| Serbian | Булоњ Бијанкур | sr |
| sr-ec | Булоњ Бијанкур | sr-ec |
| sr-el | Bulonj Bijankur | sr-el |
| Swedish | Boulogne-Billancourt | sv |
| Swahili (macrolanguage) | Boulogne-Billancourt | sw |
| szl | Boulogne-Billancourt | szl |
| Tamil | புலாகி-புலஙகோர்ட் | ta |
| Telugu | బ్యూలోయిన్-బిల్లంకోర్ట్ | te |
| Tajik | Булун-Бийонкур | tg |
| Thai | บูลอญ-บีย็องกูร์ | th |
| Turkish | Boulogne-Billancourt | tr |
| Tatar | Булонь-Биянкур | tt |
| Ukrainian | Булонь-Біянкур | uk |
| Urdu | بولون-بیانکور | ur |
| vec | Boulogne-Billancourt | vec |
| Vietnamese | Boulogne-Billancourt | vi |
| vls | Boulogne-Billancourt | vls |
| vmf | Boulogne-Billancourt | vmf |
| Volapük | Boulogne-Billancourt | vo |
| Walloon | Boulogne-Billancourt | wa |
| war | Boulogne-Billancourt | war |
| Wolof | Boulogne-Billancourt | wo |
| Wu Chinese | 布洛涅-比扬古 | wuu |
| yue | 布洛涅比揚古 | yue |
| Chinese | 布洛涅-比扬古 | zh |
| zh-cn | 布洛涅-比扬古 | zh-cn |
| zh-hans | 布洛涅-比扬古 | zh-hans |
| zh-hant | 布洛涅-比揚古 | zh-hant |
| zh-hk | 布洛涅-比揚古 | zh-hk |
| zh-sg | 布洛涅-比扬古 | zh-sg |
| zh-tw | 布洛涅-比揚古 | zh-tw |
| Zulu | Boulogne-Billancourt | zu |