| français | fra-000 | BK CSKA Sofia |
| ISO 639-3 | art-001 | bkd |
| ISO 639-PanLex | art-274 | bkd-000 |
| Deutsch | deu-000 | BK Derby |
| English | eng-000 | BK Derby |
| français | fra-000 | BK Derby |
| svenska | swe-000 | BK Derby |
| ISO 639-3 Retired Code Elements | art-324 | bke |
| filename extensions | art-335 | bke |
| TechTarget file types | art-336 | BKE-BackupEarth-com-data-compression-file |
| Bodéwadmimwen | pot-000 | bkebdot |
| Bodéwadmimwen | pot-000 | bkébzot |
| Bodéwadmimwen | pot-000 | bkedét |
| Silozi | loz-000 | bkehile |
| Malti | mlt-000 | bkejna |
| Malti | mlt-000 | bkejt |
| Malti | mlt-000 | bkejtu |
| Bodéwadmimwen | pot-000 | bkenagét |
| Bodéwadmimwen | pot-000 | bkének |
| Bodéwadmimwen | pot-000 | bkenwat |
| Amanung Sisuan | pam-000 | Bkerke |
| English | eng-000 | Bkerké |
| Bodéwadmimwen | pot-000 | bkesak |
| Bodéwadmimwen | pot-000 | bkesat |
| Bodéwadmimwen | pot-000 | bkésat |
| Bodéwadmimwen | pot-000 | bkeshkak |
| Bodéwadmimwen | pot-000 | bketé-yékwzet |
| Malti | mlt-000 | bkew |
| Bodéwadmimwen | pot-000 | bkeyak |
| Bodéwadmimwen | pot-000 | bké-yegwan |
| UNDP Country Codes | art-294 | BKF |
| ISO 639-3 | art-001 | bkf |
| filename extensions | art-335 | bkf |
| ISO 639-PanLex | art-274 | bkf-000 |
| TechTarget file types | art-336 | BK-Faxbook-JetFax |
| TechTarget file types | art-336 | B-K-Flight-Simulator-Scenery-File-Microsoft-Corporation |
| TechTarget file types | art-336 | BKF-Microsoft-backup-file |
| TechTarget file types | art-336 | BKF-Moto-Racer-Archive |
| English | eng-000 | BK Forward |
| svenska | swe-000 | BK Forward |
| TechTarget file types | art-336 | BK-FrameMaker-Book-File |
| TechTarget file types | art-336 | BK-FreeBSD-file |
| lietuvių | lit-000 | BK Frem |
| português | por-000 | BK Frem |
| svenska | swe-000 | BK Frem |
| lietuvių | lit-000 | BK Fremad Amager |
| italiano | ita-000 | BK Frem Copenaghen |
| français | fra-000 | BK Frem Copenhague |
| Nederlands | nld-000 | BK Frem Kopenhagen |
| Deutsch | deu-000 | BK Frem København |
| TechTarget file types | art-336 | BKF-Windows-backup-file |
| TechTarget file types | art-336 | BKF-WindowsXP-Backup |
| TechTarget file types | art-336 | BKF-WindowsXP-Backup-Utility-Backup-Set-Microsoft-Corporation |
| English | eng-000 | Bkg |
| ISO 639-3 | art-001 | bkg |
| filename extensions | art-335 | bkg |
| ISO 639-PanLex | art-274 | bkg-000 |
| TechTarget file types | art-336 | BKG-Background-File |
| English | eng-000 | bkge. |
| TechTarget file types | art-336 | BKG-Samsung-document-Header |
| ISO 639-3 | art-001 | bkh |
| ISO 639-PanLex | art-274 | bkh-000 |
| dansk | dan-000 | BK Häcken |
| Deutsch | deu-000 | BK Häcken |
| English | eng-000 | BK Häcken |
| suomi | fin-000 | BK Häcken |
| français | fra-000 | BK Häcken |
| italiano | ita-000 | BK Häcken |
| lietuvių | lit-000 | BK Häcken |
| Nederlands | nld-000 | BK Häcken |
| bokmål | nob-000 | BK Häcken |
| português | por-000 | BK Häcken |
| español | spa-000 | BK Häcken |
| svenska | swe-000 | BK Häcken |
| Türkçe | tur-000 | BK Häcken |
| தமிழ் | tam-000 | bkhÊ |
| yidish | ydd-001 | bkhinem |
| yidish | ydd-001 | bkhipozn |
| ISO 639-3 | art-001 | bki |
| filename extensions | art-335 | bki |
| ISO 639-PanLex | art-274 | bki-000 |
| TechTarget file types | art-336 | BKI-Backup-Index |
| tiếng Việt | vie-000 | B-kiểm |
| Malti | mlt-000 | bkiet |
| TechTarget file types | art-336 | BKI-IBM-BookManager-Backup-Index |
| TechTarget file types | art-336 | BKI-IBM-Softcopy-Reader |
| chiShona | sna-000 | bkirikiti |
| yidish | ydd-001 | bkitser |
| ISO 639-3 | art-001 | bkj |
| ISO 639-PanLex | art-274 | bkj-000 |
| TechTarget file types | art-336 | BK-JetFax-faxbook |
| TechTarget file types | art-336 | BK-JetFax-Faxbook-file |
| English | eng-000 | BKK |
| ISO 639-3 | art-001 | bkk |
| filename extensions | art-335 | bkk |
| ISO 639-PanLex | art-274 | bkk-000 |
| bahasa Indonesia | ind-000 | BKKBN |
| TechTarget file types | art-336 | BKK-BookBuddi-eBook-File |
| hrvatski | hrv-000 | BK Khimki Moskva |
| français | fra-000 | BK Kiev |
| hrvatski | hrv-000 | BK Kiev |
| ISO 639-3 | art-001 | bkl |
| ISO 639-PanLex | art-274 | bkl-000 |
| yidish | ydd-001 | bklal or bkhlal |
| Deutsch | deu-000 | B-Klasse |
| Nederlands | nld-000 | b-klein |
| English | eng-000 | B. Kliban |
| italiano | ita-000 | B. Kliban |
| TechTarget file types | art-336 | BK-LinguAssist-File |
| hrvatski | hrv-000 | BK Lokomotiv Rostov |
| suomi | fin-000 | b-klorofylli |
| English | eng-000 | BKM |
| ISO 639-3 | art-001 | bkm |
| ISO 639 | art-005 | bkm |
| IETF language tags | art-420 | bkm |
| ISO 639-PanLex | art-274 | bkm-000 |
| ISO 639-PanLex | art-274 | bkm-001 |
| filename extensions | art-335 | bkmk |
| TechTarget file types | art-336 | BKMK-Mac-File-Type |
| TechTarget file types | art-336 | BK-Movie-Magic-Screenwiter-document-backup |
| ISO 639-3 | art-001 | bkn |
| filename extensions | art-335 | bkn |
| ISO 639-PanLex | art-274 | bkn-000 |
| Nederlands | nld-000 | b-knooppunt |
| Afrikaans | afr-000 | b-knoppie |
| Deutsch | deu-000 | B-Knoten |
| TechTarget file types | art-336 | BKN-Timed-backup-file-for-document-window-n-WordPerfect-for-Win |
| ISO 639-3 | art-001 | bko |
| ISO 639-PanLex | art-274 | bko-000 |
| ISO 639-PanLex | art-274 | bko-001 |
| ISO 639-PanLex | art-274 | bko-002 |
| ISO 639-PanLex | art-274 | bko-003 |
| ISO 639-PanLex | art-274 | bko-004 |
| Bodéwadmimwen | pot-000 | bkodeyak |
| bod skad | bod-001 | bkod pa gtong |
| Bodéwadmimwen | pot-000 | bkojwé |
| Bodéwadmimwen | pot-000 | bkojwébdot |
| Bodéwadmimwen | pot-000 | bkok |
| Mokono Barombi | bbi-003 | bkòkò |
| latviešu | lvs-000 | B koks |
| Silozi | loz-000 | bkolize |
| Uyghurche | uig-001 | b kommutator |
| hrvatski | hrv-000 | B-kompleks |
| Deutsch | deu-000 | B-Komplement |
| čeština | ces-000 | B komplex |
| magyar | hun-000 | B-komplex vitamin |
| Bodéwadmimwen | pot-000 | bkon-gizes |
| Bodéwadmimwen | pot-000 | bkonot |
| Bodéwadmimwen | pot-000 | bkonyak |
| Bodéwadmimwen | pot-000 | bkonya-wisnet |
| Limbum | lmp-000 | bko˩˥r |
| TechTarget file types | art-336 | BK-OS-8-file |
| Silozi | loz-000 | -bkotela |
| yidish | ydd-001 | bkoved |
| English | eng-000 | BKP |
| ISO 639-3 | art-001 | bkp |
| ISO 639 | art-005 | bkp |
| filename extensions | art-335 | bkp |
| ISO 639-PanLex | art-274 | bkp-000 |
| bahasa Indonesia | ind-000 | BKPM |
| TechTarget file types | art-336 | BK-Power-Chess-opening-book-file |
| TechTarget file types | art-336 | BKP-TurboVidion-Dialog-Designer-Backup |
| ISO 639-3 | art-001 | bkq |
| ISO 639-PanLex | art-274 | bkq-000 |
| English | eng-000 | BKR |
| bahasa Indonesia | ind-000 | BKR |
| Nederlands | nld-000 | BKR |
| ISO 639-3 | art-001 | bkr |
| filename extensions | art-335 | bkr |
| Limbum | lmp-000 | bk̆˩˥r |
| Mapi | jaq-000 | b̽k̽r̽ |
| ISO 639-PanLex | art-274 | bkr-000 |
| bod skad | bod-001 | bkra shis bde legs |
| Mapi | jaq-000 | b̽k̽r̽b |
| TechTarget file types | art-336 | BKR-Boardmaker-Document |
| TechTarget file types | art-336 | BKR-Bruker-Aspect-NMR-Data-File |
| suomi | fin-000 | B-kromosomi |
| TechTarget file types | art-336 | BKR-ReplaceEm-file-set |
| TechTarget file types | art-336 | BKR-ReplaceEm-fileset-Header |
| ISO 639-3 | art-001 | bks |
| filename extensions | art-335 | bks |
| ISO 639-PanLex | art-274 | bks-000 |
| TechTarget file types | art-336 | B-K-Scenery-file |
| TechTarget file types | art-336 | BKS-IBM-BookManager-Read-bookshelf-file |
| Deutsch | deu-000 | B. K. S. Iyengar |
| English | eng-000 | B. K. S. Iyengar |
| français | fra-000 | B.K.S. Iyengar |
| Nederlands | nld-000 | B.K.S. Iyengar |
| polski | pol-000 | B.K.S. Iyengar |
| português | por-000 | B.K.S. Iyengar |
| English | eng-000 | BK Skjold |
| français | fra-000 | BK Skjold |
| português | por-000 | BK Skjold |
| TechTarget file types | art-336 | BKS-Microsoft-Works-Spreadsheet-Backup |
| English | eng-000 | BKSP |
| hrvatski | hrv-000 | BK Spartak Sankt Peterburg |
| English | eng-000 | BKS Stal Bielsko-Biała |
| polski | pol-000 | BKS Stal Bielsko-Biała |
| GeoNames Feature Codes | art-286 | BKSU |
| English | eng-000 | BK Søllerød-Vedbæk |
| 日本語 | jpn-000 | B.K.S.アイアンガー |
| English | eng-000 | BKT |
| suomi | fin-000 | BKT |
| English | eng-000 | Bkt |
| ISO 639-3 | art-001 | bkt |
| filename extensions | art-335 | bkt |
| English | eng-000 | bkt |
| ISO 639-PanLex | art-274 | bkt-000 |
| suomi | fin-000 | BKT-deflaattori |
| Srpskohrvatski | hbs-001 | BK televizija |
| suomi | fin-000 | BKTL |
| suomi | fin-000 | BKTL-osuus |
| suomi | fin-000 | BKT:n hintaindeksi |
| English | eng-000 | bkts |
| TechTarget file types | art-336 | BKT-Shredder-opening-books |
| English | eng-000 | bk tube |
| TechTarget file types | art-336 | BKT-Zortech-3-tools-Samples-File |
| ISO 639-3 | art-001 | bku |
| filename extensions | art-335 | bku |
| ISO 639-PanLex | art-274 | bku-000 |
| ISO 639-PanLex | art-274 | bku-001 |
| ISO 639-PanLex | art-274 | bku-002 |
| tekoi ra Belau | pau-000 | bkul a oach |
| IETF language tags | art-420 | bku-Latn |
| tekoi ra Belau | pau-000 | bkul a uach |
| English | eng-000 | BKUNIX |
| русский | rus-000 | BKUNIX |
| English | eng-000 | BKUP |
| English | eng-000 | Bkup |
| filename extensions | art-335 | bkup |
| Nihongo | jpn-001 | Ｂ KURASU |
| Limbum | lmp-000 | bku˩˥̄sɟˠ |
| TechTarget file types | art-336 | BKU-Timeslips-Backup-Peachtree-Software |
| Limbum | lmp-000 | bkuu |
| English | eng-000 | BKV |
| română | ron-000 | BKV |
| svenska | swe-000 | BKV |
| ISO 639-3 | art-001 | bkv |
| ISO 639-PanLex | art-274 | bkv-000 |
| nynorsk | nno-000 | b-kvalitet |
| bokmål | nob-000 | b-kvalitet |
| suomi | fin-000 | b-kvarkki |
| English | eng-000 | BK Ventspils |
| latviešu | lvs-000 | BK Ventspils |
| Deutsch | deu-000 | BKV Rt. |
| English | eng-000 | BKW |
| ISO 639-3 | art-001 | bkw |
| filename extensions | art-335 | bkw |
| ISO 639-PanLex | art-274 | bkw-000 |
| ISO 639-PanLex | art-274 | bkw-001 |
| Bodéwadmimwen | pot-000 | bkwake |
| Bodéwadmimwen | pot-000 | bkwakʼegen |
| Bodéwadmimwen | pot-000 | bkwakpedot |
| Bodéwadmimwen | pot-000 | bkwakwadé |
| Bodéwadmimwen | pot-000 | bkwakwdo-bgemagen |
| Bodéwadmimwen | pot-000 | bkwakwet |
| Bodéwadmimwen | pot-000 | bkwakwnech |
| Ethnologue Language Names | art-330 | Bkwala |
| Bodéwadmimwen | pot-000 | bkwénék |
| Bodéwadmimwen | pot-000 | bkwénézgét |
| Bodéwadmimwen | pot-000 | bkwénézwat |
| Bodéwadmimwen | pot-000 | bkwénshkagot |
| Bodéwadmimwen | pot-000 | bkwézhgas |
| Bodéwadmimwen | pot-000 | bkwézhgen |
| Bodéwadmimwen | pot-000 | bkwézhgenabo |
| Bodéwadmimwen | pot-000 | bkwézhgenatek |
| Bodéwadmimwen | pot-000 | bkwézhgenkanat |
| Bodéwadmimwen | pot-000 | bkwézhgenkét |
| Bodéwadmimwen | pot-000 | bkwézhgenkéwgemek |
| TechTarget file types | art-336 | BKW-FontEdit-Fontset-mirror-image |
| TechTarget file types | art-336 | BK-WordPerfect-for-Windows-Document-backup |
| ISO 639-3 | art-001 | bkx |
| ISO 639-PanLex | art-274 | bkx-000 |
| TechTarget file types | art-336 | BK-Xerox-Alto-BCPL-static-values-file |
| ISO 639-3 | art-001 | bky |
| filename extensions | art-335 | bky |
| ISO 639-PanLex | art-274 | bky-000 |
| ISO 639-PanLex | art-274 | bky-001 |
| ISO 639-PanLex | art-274 | bky-002 |
| ISO 639-PanLex | art-274 | bky-003 |
| ISO 639-PanLex | art-274 | bky-004 |
| ISO 639-PanLex | art-274 | bky-005 |
| ISO 639-PanLex | art-274 | bky-006 |
| bod skad | bod-001 | bkyag |
| TechTarget file types | art-336 | BKY-bookkey-Bookmark-Keyword-Data-Michael-Valentiner-Branth |
| bod skad | bod-001 | bkyon |
| ISO 639-3 | art-001 | bkz |
| filename extensions | art-335 | bkz |
| ISO 639-PanLex | art-274 | bkz-000 |
| Türkçe | tur-000 | bkz. Dac |
| Türkçe | tur-000 | bkz. shear wave |
| Cheʼ Wong | cwg-000 | bkɑw |
| English | eng-000 | BKА |
| 普通话 | cmn-000 | BK哈肯足球俱乐部 |
| 普通话 | cmn-000 | bk 管 |
| íslenska | isl-000 | -bl. |
| English | eng-000 | B.&L. |
| English | eng-000 | B.L. |
| English | eng-000 | B/L |
| ISO 3166 alpha | art-006 | BL |
| Unicode Property Value Aliases | art-318 | BL |
| English | eng-000 | BL |
| italiano | ita-000 | BL |
| Kwasio | nmg-000 | BL |
| English | eng-000 | Bl |
| English | eng-000 | Bl. |
| English | eng-000 | B−L |
| français | fra-000 | B−L |
| русский | rus-000 | B−L |
| filename extensions | art-335 | bl |
| Cymraeg | cym-000 | bl |
| dansk | dan-000 | bl |
| English | eng-000 | bl |
| Gaeilge | gle-000 | bl |
| Lakȟótiyapi | lkt-000 | bl |
| nynorsk | nno-000 | bl |
| bokmål | nob-000 | bl |
| Lakȟótiyapi | lkt-000 | bl- |
| brezhoneg | bre-000 | bl. |
| Cymraeg | cym-000 | bl. |
| English | eng-000 | bl. |
| Gàidhlig | gla-000 | bl. |
| Gaeilge | gle-000 | bl. |
| Kofa | nfu-000 | b̂̌̄l̂̌ |