| English | eng-000 |
| Belfast | |
| Afrikaans | afr-000 | Belfast |
| العربية | arb-000 | بلفاست |
| العربية | arb-000 | بِلْفَاسْت |
| Universal Networking Language | art-253 | belfast(iof>capital>thing) |
| ISO 3166-2 | art-416 | GB-BFS |
| asturianu | ast-000 | Belfast |
| тарашкевіца | bel-001 | Бэлфаст |
| বাংলা | ben-000 | বেলফাস্ট |
| brezhoneg | bre-000 | Belfast |
| brezhoneg | bre-000 | Béal Feirste |
| български | bul-000 | Белфаст |
| català | cat-000 | Belfast |
| català | cat-000 | capital d’Irlanda del Nord |
| čeština | ces-000 | Belfast |
| 普通话 | cmn-000 | 贝尔法斯特 |
| 國語 | cmn-001 | 貝爾法斯特 |
| Hànyǔ | cmn-003 | Bèi ěr fǎ sī te |
| Cymraeg | cym-000 | Belffast |
| Cymraeg | cym-000 | Melfast |
| dansk | dan-000 | Belfast |
| Deutsch | deu-000 | Belfast |
| eesti | ekk-000 | Belfast |
| ελληνικά | ell-000 | Μπέλφαστ |
| English | eng-000 | USA |
| English | eng-000 | capital of Northern Ireland |
| Esperanto | epo-000 | Belfasto |
| euskara | eus-000 | Belfast |
| føroyskt | fao-000 | Belfast |
| suomi | fin-000 | Belfast |
| suomi | fin-000 | Pohjois-Irlannin pääkaupunki |
| français | fra-000 | Belfast |
| Gàidhlig | gla-000 | Beul-Feirste |
| Gaeilge | gle-000 | Beal Feirste |
| Gaeilge | gle-000 | Béal Feiriste |
| Gaeilge | gle-000 | Béal Feirste |
| galego | glg-000 | Belfast |
| yn Ghaelg | glv-000 | Beeal Feirshtey |
| kreyòl ayisyen | hat-000 | Bèlfast |
| ʻōlelo Hawaiʻi | haw-000 | Belefase |
| ʻōlelo Hawaiʻi | haw-000 | Pelepake |
| עברית | heb-000 | בלפאסט |
| hrvatski | hrv-000 | Belfast |
| magyar | hun-000 | Belfast |
| Ido | ido-000 | Belfast |
| interlingua | ina-000 | Belfast |
| bahasa Indonesia | ind-000 | Belfast |
| íslenska | isl-000 | Belfast |
| italiano | ita-000 | Belfast |
| 日本語 | jpn-000 | ベルファスト |
| ქართული | kat-000 | ბელფასტი |
| 한국어 | kor-000 | 벨파스트 |
| 한국어 | kor-000 | 북아일랜드의 수도 |
| lietuvių | lit-000 | Belfastas |
| latviešu | lvs-000 | Belfāsta |
| मराठी | mar-000 | बेलफास्ट |
| मराठी | mar-000 | बेल्फास्ट |
| македонски | mkd-000 | Белфаст |
| Malti | mlt-000 | Belfast |
| Nederlands | nld-000 | Belfast |
| nynorsk | nno-000 | Belfast |
| bokmål | nob-000 | Belfast |
| occitan | oci-000 | Belfast |
| occitan | oci-000 | Béal Feirste |
| occitan | oci-000 | Bíal Feirste |
| ирон ӕвзаг | oss-000 | Белфаст |
| فارسی | pes-000 | بلفاست |
| lenga piemontèisa | pms-000 | Belfast |
| polski | pol-000 | Belfast |
| português | por-000 | Belfast |
| Runa Simi | que-000 | Belfast |
| Qusqu qhichwa simi | quz-000 | Belfast |
| Kalderašicko Romani čhib | rmy-000 | Belfast |
| română | ron-000 | Belfast |
| limba armãneascã | rup-000 | Belfast |
| русский | rus-000 | Бе́лфаст |
| русский | rus-000 | Белфаст |
| русский | rus-000 | транспортный самолёт Белфаст |
| Scots leid | sco-000 | Belfast |
| slovenčina | slk-000 | Belfast |
| slovenščina | slv-000 | Belfast |
| español | spa-000 | Belfast |
| српски | srp-000 | Белфаст |
| svenska | swe-000 | Belfast |
| Kiswahili | swh-000 | Belfast |
| Tagalog | tgl-000 | Belfast |
| Tagalog | tgl-000 | Belpás |
| ภาษาไทย | tha-000 | กรุงเบลฟาสต์ |
| ภาษาไทย | tha-000 | เบลฟัสต์ |
| ภาษาไทย | tha-000 | เบลฟาสต์ |
| ภาษาไทย | tha-000 | เมืองหลวงประเทศไอร์แลนด์เหนือ |
| Türkçe | tur-000 | Belfast |
| Uyghurche | uig-001 | Bélfast |
| українська | ukr-000 | Белфаст |
| tiếng Việt | vie-000 | Belfast |
| Volapük | vol-000 | Belfast |
| Winaray | war-000 | Belfast |
| Nourmaund | xno-000 | Belfast |
| 原中国 | zho-000 | 贝尔法斯特 |
| Bahasa Malaysia | zsm-000 | Belfast |