| ISO 639-3 Retired Code Elements | art-324 | bxx |
| filename extensions | art-335 | bxx |
| TechTarget file types | art-336 | BXX-Bank-of-America-loan-docs |
| TechTarget file types | art-336 | BXX-BlaxxunContact-file |
| Peace Corps 2007 Tamazight | tzm-009 | bxxr |
| filename extensions | art-335 | bxy |
| apʰsua bızşʷa | abk-002 | bxy~3 |
| Abaza | abq-001 | bxy~3 |
| TechTarget file types | art-336 | BXY-NuFX-archive-with-Binary-II-header-Header |
| TechTarget file types | art-336 | BXY-ShrinkIt-Apple-II-Compressed-Archive |
| ISO 639-3 | art-001 | bxz |
| ISO 639-PanLex | art-274 | bxz-000 |
| ISO 639-PanLex | art-274 | bxz-001 |
| Icen | ich-000 | *by |
| polski | pol-000 | -by |
| ISO 3166 alpha | art-006 | BY |
| svenska | swe-000 | BY |
| dansk | dan-000 | By |
| Deutsch | deu-000 | By |
| English | eng-000 | By |
| français | fra-000 | By |
| italiano | ita-000 | By |
| Nederlands | nld-000 | By |
| nynorsk | nno-000 | By |
| bokmål | nob-000 | By |
| polski | pol-000 | By |
| åarjelsaemiengïele | sma-000 | By |
| davvisámegiella | sme-000 | By |
| julevsámegiella | smj-000 | By |
| srpski | srp-001 | By |
| svenska | swe-000 | By |
| Volapük | vol-000 | By |
| Afrikaans | afr-000 | by |
| Universal Networking Language | art-253 | by |
| filename extensions | art-335 | by |
| čeština | ces-000 | by |
| dansk | dan-000 | by |
| dolnoserbska reč | dsb-000 | by |
| Dutton Speedwords | dws-000 | by |
| English | eng-000 | by |
| Basic English | eng-002 | by |
| Globish | eng-003 | by |
| Frysk | fry-000 | by |
| lenghe furlane | fur-000 | by |
| hornjoserbšćina | hsb-000 | by |
| արևելահայերեն | hye-000 | by |
| Nuo su | iii-001 | by |
| la lojban. | jbo-000 | by |
| nynorsk | nno-000 | by |
| bokmål | nob-000 | by |
| polski | pol-000 | by |
| slovenčina | slk-000 | by |
| davvisámegiella | sme-000 | by |
| julevsámegiella | smj-000 | by |
| Fräiske Sproake | stq-000 | by |
| svenska | swe-000 | by |
| Ślůnsko godka | szl-000 | by |
| mi na | txg-002 | by |
| Umbu-Ungu | ubu-000 | by |
| dansk | dan-000 | by- |
| English | eng-000 | by- |
| bokmål | nob-000 | by- |
| Naqxi | nxq-000 | by˧ |
| Naqxi | nxq-000 | by˩ |
| Limbum | lmp-000 | by̆˩˥̄ |
| Limbum | lmp-000 | by̆̆ |
| føroyskt | fao-000 | bý |
| íslenska | isl-000 | bý |
| norskr | non-000 | bý |
| English | eng-000 | By 1st Level Paragraphs |
| English | eng-000 | by 30 November |
| Lashi | lsi-000 | by~3N |
| Hñähñu | ote-000 | -'bya |
| Luba-Lulua | lua-000 | -bya |
| Hñähñu | ote-000 | -‘bya |
| èdè Yorùbá | yor-000 | b yá |
| Denya | anv-000 | bya |
| ISO 639-3 | art-001 | bya |
| bod skad | bod-001 | bya |
| gevove | buw-000 | bya |
| Lubukusu | bxk-000 | bya |
| tomo kan | dtm-000 | bya |
| Tebul Ure Dogon | dtu-000 | bya |
| yàndà-dòm | dym-000 | bya |
| Gbari | gby-000 | bya |
| Gwere | gwr-000 | bya |
| Kibosho | jmc-001 | bya |
| Kamba Kitui | kam-001 | bya |
| ikinyarwanda | kin-000 | bya |
| Konzo | koo-000 | bya |
| Kwaya | kya-000 | bya |
| Silozi | loz-000 | bya |
| Saamia | lsm-000 | bya |
| Mono | mru-000 | bya |
| Mianka | myk-000 | bya |
| Nkongho | nkc-000 | bya |
| Ninggerum | nxr-000 | bya |
| Phunoi | pho-000 | bya |
| Lusoga | xog-000 | bya |
| Yavapai | yuf-002 | bya |
| dižəʼəxon | zav-000 | bya' |
| Izi | izz-000 | by~a |
| Karenbyu | kvq-000 | by~a |
| Bouna Kulango | nku-000 | by~a |
| šʹəbzá | uby-001 | by~a |
| yémba | ybb-000 | by~a |
| Karenbyu | kvq-000 | byà |
| Tyebara | sef-002 | byà |
| Denya | anv-000 | byá |
| Beba | bfp-000 | byá |
| Nalu | naj-000 | byáː |
| Efik | efi-000 | byâ |
| Ibuoro | ibr-000 | byâ |
| Itu Mbon Uzo | itm-000 | byâ |
| Ito | itw-000 | byâ |
| bamanankan | bam-000 | byã |
| Mārwāṛī | rwr-001 | byā |
| Bafo | bwt-001 | byǎ |
| Krobu | kxb-000 | byǎ |
| ISO 639-PanLex | art-274 | bya-000 |
| Nkongho | nkc-000 | bya7 |
| Lefa | lfa-000 | by~a7 |
| Kimachame | jmc-000 | byaa |
| Maviha | kde-001 | byaa |
| Mianka | myk-000 | byaa |
| kɔ́ɔnzime | ozm-000 | byáa |
| Nyamwezi | nym-000 | Byaala |
| Lubukusu | bxk-000 | byaala |
| Masaba | myx-000 | byaala |
| Zinza | zin-000 | byaala |
| lìwàànzí | wdd-000 | byáálâ |
| GSB Mangalore | gom-001 | byaale naa.nchapaachii mukhel |
| lìwàànzí | wdd-000 | byáálı̂ |
| Nyamwezi | nym-000 | Byaalwa |
| Kymbi | vif-001 | bʸaalə |
| GSB Mangalore | gom-001 | byaa.nka |
| ikinyarwanda | kin-000 | byaara |
| Emakhua | vmw-000 | byaashara |
| Oluganda | lug-000 | byaayi |
| Nyamwezi | nym-000 | Byaazi |
| Glottocode | art-327 | byab1238 |
| Kavalan | ckv-000 | byabas |
| Scots leid | sco-000 | by a bawhair |
| Glottolog Languoid Names | art-326 | Byabe |
| Ethnologue Language Names | art-330 | Byabe |
| Luba-Lulua | lua-000 | byàbì |
| Lugungu | rub-000 | bya bi̱i̱ru̱ka |
| English | eng-000 | by ability |
| Lubwisi | tlj-000 | byabo |
| Luba-Lulua | lua-000 | byàbò |
| বাংলা | ben-000 | byabohar joggo |
| English | eng-000 | by absolute majority |
| Lugungu | rub-000 | byab̯u |
| Luba-Lulua | lua-000 | byàbù |
| Lugungu | rub-000 | bya b̯uhangwa |
| Lubwisi | tlj-000 | byabu̱lemi̱ |
| Lubwisi | tlj-000 | byabu̱li̱mi̱ |
| Lunyole | nuj-000 | byabwe |
| Lugungu | rub-000 | byab̯wo |
| Denya | anv-000 | bya-bya |
| Luba-Lulua | lua-000 | byàbya |
| Lugungu | rub-000 | byabyo |
| English | eng-000 | by accidence |
| English | eng-000 | by accident |
| Universal Networking Language | art-253 | by accident(icl>accidentally) |
| English | eng-000 | by acclamation |
| English | eng-000 | by account |
| Luba-Lulua | lua-000 | byàcì |
| Atayal | tay-000 | byacing |
| English | eng-000 | by a close shave |
| English | eng-000 | by a comfortable margin |
| English | eng-000 | by a correspondence course |
| English | eng-000 | by a country mile |
| English | eng-000 | by act of law |
| el maghribïya | ary-001 | Byad |
| English | eng-000 | Byadgi |
| português | por-000 | Byadgi |
| Luba-Lulua | lua-000 | byàdì |
| Luba-Lulua | lua-000 | byàdifù |
| English | eng-000 | by a dogmatic method |
| English | eng-000 | by adoption |
| Vahcuengh | zyb-000 | byaek |
| Oluganda | lug-000 | byafaayo |
| English | eng-000 | by affirmation |
| English | eng-000 | by a finger’s breadth |
| English | eng-000 | by a fluke |
| bokmål | nob-000 | Byafossen |
| davvisámegiella | sme-000 | Byafossen |
| julevsámegiella | smj-000 | Byafossen |
| English | eng-000 | by a fraction of an inch |
| nzd-000 | byág | |
| GSB Mangalore | gom-001 | byagaDi |
| Pāḷi | pli-001 | byaggha |
| Mārwāṛī | rwr-001 | byāgī |
| bod skad | bod-001 | bya glag |
| Lugungu | rub-000 | byago |
| svenska | swe-000 | byägor |
| English | eng-000 | by a great deal |
| English | eng-000 | by agreement |
| Lugungu | rub-000 | byagwo |
| Lugungu | rub-000 | byagyo |
| kɔ́ɔnzime | ozm-000 | byah |
| Old Avestan | ave-001 | byah- |
| ivrit | heb-002 | byaẖad |
| English | eng-000 | by a hair |
| English | eng-000 | by a hairbreadth |
| English | eng-000 | by a hairbreadth of death |
| English | eng-000 | by a hairsbreadth |
| English | eng-000 | by a hair’s breadth |
| English | eng-000 | by a hair’s-breadth |
| English | eng-000 | by a hair’s breath |
| hiMxI | hin-004 | byAha kara |
| English | eng-000 | by a happy chance |
| Hiligaynon | hil-000 | byahe |
| Akha | ahk-000 | byahf chjoohxv urh |
| Akha | ahk-000 | byahf tehv urh |
| Ibatan | ivb-000 | byahi |
| Konzo | koo-000 | byaho |
| Akha | ahk-000 | byahv |
| Akha | ahk-000 | byahv uuhf |
| Akha | ahk-000 | byahxv urh |
| Jowulu | jow-000 | byai |
| Yumplatok | tcs-000 | byain |
| English | eng-000 | by air |
| English | eng-000 | by airlift |
| English | eng-000 | by air mail |
| English | eng-000 | by airmail |
| English | eng-000 | by airplane |
| ʔanhpün tzame | zoh-000 | byaje |
| basa Jawa | jav-000 | byak |
| Oron | ebg-000 | byàk |
| Oro | orx-000 | byàk |
| Uda | uda-000 | byàk |
| Ilue | ilv-000 | byák |
| Bine—Masingle-Tati | bon-002 | byaka |
| Bine—Sogal-Boze-Gingarede-Kunini | bon-000 | byaːka |
| Bine—Masingle-Tati | bon-002 | byaːka |
| Luba-Lulua | lua-000 | byàkà |
| Luba-Lulua | lua-000 | byakàne |
| English | eng-000 | byak-angelicin |
| Gbari | gby-000 | byakayi |
| bod skad | bod-001 | bya khrung khrung |
| Lugungu | rub-000 | bya kipandi |
| Qafár af | aar-000 | byakit |
| brezhoneg | bre-000 | Byakko-Tai |
| English | eng-000 | Byakkotai |
| español | spa-000 | Byakkotai |
| Lugungu | rub-000 | byako |
| Lubukusu | bxk-000 | byakooko |
| Nihongo | jpn-001 | byaku |
| Luba-Lulua | lua-000 | byàkù |
| Nihongo | jpn-001 | byakudan |
| Lugungu | rub-000 | bya kudiiramu |
| Lugungu | rub-000 | bya kuheesa |
| yàndà-dòm | dym-000 | bya kula |
| Tebul Ure Dogon | dtu-000 | byakula |
| Lubwisi | tlj-000 | byakuluka |
| Lubwisi | tlj-000 | byaku̱teekeesi̱ya |
| Enwan | enw-000 | byàk ùtɔ̀k |
| English | eng-000 | Byakuya |
| suomi | fin-000 | Byakuya |
| español | spa-000 | Byakuya |
| English | eng-000 | Byakuya Kuchiki |
| suomi | fin-000 | Byakuya Kuchiki |
| italiano | ita-000 | Byakuya Kuchiki |
| español | spa-000 | Byakuya Kuchiki |
| Türkçe | tur-000 | Byakuya Kuchiki |
| Lugungu | rub-000 | bya kwerinda |
| Lugungu | rub-000 | byakwo |
| Lugungu | rub-000 | byakyo |
| Holoholo | hoo-000 | -byal-́ |
| iciBemba | bem-000 | -byál- |
| Itaŋikom | bkm-000 | byal |
| Kham | kgj-000 | by~al |
| English | eng-000 | Byala |
| Bende | bdp-000 | byala |
| Lubukusu | bxk-000 | byala |
| Gwere | gwr-000 | byala |
| Hangaza | han-000 | byala |
| Haya | hay-000 | byala |
| Kerewe | ked-000 | byala |
| Kɨlaangi | lag-000 | byala |
| Lambya | lai-000 | byala |
| ichiindali | ndh-000 | byala |
| Ndari | ndh-001 | byala |
| Nyambo | now-000 | byala |
| Ntuzu | nym-001 | byala |
| Nyakyusa-Ngonde | nyy-000 | byala |
| Temi | soz-000 | byala |
| Sukuma | suk-000 | byala |
| English | eng-000 | Byala Cherkva |
| svenska | swe-000 | byalag |
| English | eng-000 | Byala Slatina |
| Frysk | fry-000 | by âlds |
| svenska | swe-000 | byäldste |
| Silozi | loz-000 | byale |