| ISO 3166-2 | art-416 | AR-F |
| dansk | dan-000 | ARF |
| Deutsch | deu-000 | ARF |
| eesti | ekk-000 | ARF |
| ελληνικά | ell-000 | ARF |
| English | eng-000 | ARF |
| français | fra-000 | ARF |
| Hindi | hin-002 | ARF |
| hrvatski | hrv-000 | ARF |
| magyar | hun-000 | ARF |
| italiano | ita-000 | ARF |
| lietuvių | lit-000 | ARF |
| latviešu | lvs-000 | ARF |
| Nederlands | nld-000 | ARF |
| bokmål | nob-000 | ARF |
| polski | pol-000 | ARF |
| português | por-000 | ARF |
| română | ron-000 | ARF |
| slovenščina | slv-000 | ARF |
| srpski | srp-001 | ARF |
| ภาษาไทย | tha-000 | ARF |
| Türkçe | tur-000 | ARF |
| українська | ukr-000 | ARF |
| English | eng-000 | Arf |
| Plattdüütsch-Neddersassisch | nds-002 | Arf |
| Achterhoeks | act-000 | arf |
| ISO 639-3 Retired Code Elements | art-324 | arf |
| filename extensions | art-335 | arf |
| Brithenig | bzt-000 | arf |
| Cymraeg | cym-000 | arf |
| English | eng-000 | arf |
| italiano | ita-000 | arf |
| kalaallisut | kal-000 | arf |
| español | spa-000 | arf |
| luenga aragonesa | arg-000 | Arfa |
| català | cat-000 | Arfa |
| español | spa-000 | Arfa |
| Awngi | awn-000 | arfa |
| azərbaycanca | azj-000 | arfa |
| Hausa | hau-000 | arfa |
| lietuvių | lit-000 | arfa |
| latviešu | lvs-000 | arfa |
| manju gisun | mnc-000 | arfa |
| türkmençe | tuk-000 | arfa |
| Uyghurche | uig-001 | arfa |
| Latynytsia | ukr-001 | arfa |
| oʻzbek | uzn-000 | arfa |
| beri a | zag-000 | arfa |
| Kemant | ahg-000 | arfaː |
| Dembia | ahg-001 | arfaː |
| Quara | ahg-002 | arfaː |
| Awngi | awn-000 | arfaː |
| russkij | rus-001 | árfa |
| līvõ kēļ | liv-000 | ārfa |
| napulitano | nap-000 | arfabbèto |
| ternano | ita-003 | arfabbètu |
| lengua lígure | lij-000 | arfabêto |
| Zeneize | lij-002 | arfabêto |
| Ancient Ligurian | xlg-000 | arfabêto |
| napulitano | nap-000 | arfabetu |
| lingua siciliana | scn-000 | arfabetu |
| azərbaycanca | azj-000 | arfaçalan |
| ternano | ita-003 | arfaccene |
| polski | pol-000 | Arfachsad |
| Gaeilge | gle-000 | ar fad |
| Brithenig | bzt-000 | arfad |
| galego | glg-000 | arfada |
| português | por-000 | arfada |
| español | spa-000 | arfada |
| TechTarget file types | art-336 | ARF-Advanced-Recording-File-WebEx |
| suomi | fin-000 | ARF (Advertising Research Foundation) |
| français | fra-000 | ARF (Advertising Research Foundation) |
| svenska | swe-000 | ARF (Advertising Research Foundation) |
| Brithenig | bzt-000 | arfadyr |
| Cymraeg | cym-000 | arfaeth |
| Cymraeg | cym-000 | arfaethau |
| Cymraeg | cym-000 | arfaethedig |
| Cymraeg | cym-000 | arfaethu |
| português | por-000 | arfagem |
| íslenska | isl-000 | arfahluti |
| Cymraeg | cym-000 | ar fai |
| Gaeilge | gle-000 | ar fáil |
| Ruáingga | rhg-000 | arfai nofarér |
| langue picarde | pcd-000 | arfaire |
| Ethnologue Language Names | art-330 | Arfak |
| Esperanto | epo-000 | arfaka ringvostulo |
| English | eng-000 | Arfak Astrapia |
| English | eng-000 | arfak astrapia |
| English | eng-000 | Arfak flowerpecker |
| English | eng-000 | Arfak Honeyeater |
| English | eng-000 | arfak honeyeater |
| suomi | fin-000 | arfakinliputtaja |
| suomi | fin-000 | arfakinmanikki |
| suomi | fin-000 | arfakinparatiisiharakka |
| suomi | fin-000 | arfakinsilkkimaluri |
| English | eng-000 | Arfak Mountains ringtail |
| English | eng-000 | arfak ringtail |
| lingaz ladin | lld-000 | arfamèr |
| Gaeilge | gle-000 | ar faonoscailt |
| brezhoneg | bre-000 | Ar Faou |
| brezhoneg | bre-000 | Ar Faoued |
| português | por-000 | arfar |
| español | spa-000 | arfar |
| English | eng-000 | Arfara |
| italiano | ita-000 | Arfara |
| lengua lumbarda | lmo-000 | Arfara |
| Talossan | tzl-000 | arfarh |
| Cymraeg | cym-000 | arfarniad |
| Cymraeg | cym-000 | arfarniadau |
| Cymraeg | cym-000 | arfarnu |
| Gaeilge | gle-000 | ar farraige |
| íslenska | isl-000 | árfarvegur |
| italiano | ita-000 | arfasatto |
| Uyghurche | uig-001 | arfasiman qulule |
| Uyghurche | uig-001 | arfasiman qulule uruqdishi |
| Cymraeg | cym-000 | arfau |
| TechTarget file types | art-336 | ARF-Automatic-Response-file |
| català | cat-000 | Arfaxad |
| تشلحيت | shi-000 | arfay |
| Tacelḥit | shi-001 | arfay |
| Cymraeg | cym-000 | arfbais |
| íslenska | isl-000 | arfberi |
| íslenska | isl-000 | arfbundið einkímisfræ |
| íslenska | isl-000 | arfbundið einkímisyrki |
| Deutsch | deu-000 | ARFCN |
| English | eng-000 | ARFCN |
| Kernowek | cor-000 | arfdhor |
| English | eng-000 | ARFDS |
| lengua lígure | lij-000 | arfé |
| Gaeilge | gle-000 | ar feadh |
| Gaeilge | gle-000 | ar feadh bomaite |
| Gaeilge | gle-000 | ar feadh na faide |
| Gaeilge | gle-000 | ar feadh píosa |
| Gaeilge | gle-000 | ar feadh scaithimh |
| Gaeilge | gle-000 | ar feadh tamaill |
| Bontoc—Guinaang | lbk-002 | arfeb |
| Cymraeg | cym-000 | arfeddyd |
| Kernowek | cor-000 | arfedhysak |
| Cymraeg | cym-000 | ar fedr |
| Brithenig | bzt-000 | arfeir |
| Gaeilge | gle-000 | ar feitheamh |
| magyar | hun-000 | árfelhajtás |
| magyar | hun-000 | árfelhajtó |
| svenska | swe-000 | årfenshaj |
| Achterhoeks | act-000 | arfensoep |
| Duhlian ṭawng | lus-000 | ar fep |
| Duhlian ṭawng | lus-000 | ar fêp |
| Inuktitut | iku-001 | arfeq |
| kalaallisut | kal-000 | arfeq |
| Cymraeg | cym-000 | arfer |
| Cymraeg | cym-000 | arfer â |
| Cymraeg | cym-000 | arferadwy |
| Cymraeg | cym-000 | arfer gorau |
| Cymraeg | cym-000 | arferiad |
| Cymraeg | cym-000 | arferiadau |
| Cymraeg | cym-000 | arferion |
| Cymraeg | cym-000 | arferion gorau |
| Inuktitut | iku-001 | arfernat |
| Cymraeg | cym-000 | arferol |
| Inuktitut | iku-001 | arfersaneq marluk |
| Inuktitut | iku-001 | arfersaneq pingasut |
| Inuktitut | iku-001 | arfersanillit |
| Inuktitut | iku-001 | arfersarnes sisamat |
| Cymraeg | cym-000 | arferu |
| íslenska | isl-000 | árferði |
| Kernowek | cor-000 | arfeth |
| English | eng-000 | Arfeuillea arborescens Pierre |
| langue picarde | pcd-000 | arfeumer |
| English | eng-000 | ARFF |
| filename extensions | art-335 | arff |
| Brithenig | bzt-000 | arff |
| TechTarget file types | art-336 | ARFF-Comma-separated-data-file |
| Cymraeg | cym-000 | arffed |
| Cymraeg | cym-000 | arffedog |
| íslenska | isl-000 | arfgengi |
| íslenska | isl-000 | arfgengur |
| íslenska | isl-000 | arfgengur adj |
| íslenska | isl-000 | arfgengur skaði á erfðaefni |
| íslenska | isl-000 | arfgerð |
| íslenska | isl-000 | arfgerðargreining |
| íslenska | isl-000 | arfgjafi |
| Gaeilge | gle-000 | ar fhad |
| Gaeilge | gle-000 | ar fheabhas |
| afa-n ari | aiw-000 | arfi |
| Haka | cnh-000 | arfi |
| íslenska | isl-000 | arfi |
| Gaeilge | gle-000 | ar fiar |
| trentino | lmo-003 | arfiàr |
| Fräiske Sproake | stq-000 | Ärfiendenge |
| lingaz ladin | lld-000 | arfièr |
| napulitano | nap-000 | arfieri |
| español | spa-000 | arfil |
| Mambae | mgm-000 | ar|fil |
| valdugèis | pms-002 | arfilée |
| íslenska | isl-000 | arfi m |
| Cymraeg | cym-000 | ar fin |
| Cymraeg | cym-000 | arfin |
| Inuktitut | iku-001 | arfineq aapaat |
| Inuktitut | iku-001 | arfineq marluk |
| kalaallisut | kal-000 | arfineq marluk |
| Inuktitut | iku-001 | arfineq pingajut |
| Inuktitut | iku-001 | arfineq pingasut |
| kalaallisut | kal-000 | arfineq pingasut |
| Inuktitut | iku-001 | arfineq sisamat |
| Inuktitut | iku-001 | arfinillit |
| kalaallisut | kal-000 | arfinillit |
| Inuktitut | iku-001 | Arfininngorneq |
| Inuktitut | iku-001 | arfininngorneq |
| kalaallisut | kal-000 | arfininngorneq |
| kalaallisut | kal-000 | arfininngorneq kingulleq sapaatip-akunnera |
| kalaallisut | kal-000 | arfininngorneq manna sapaatip-akunnera |
| kalaallisut | kal-000 | arfininngorneq tulleq sapaatip-akunnera |
| Inuktitut | iku-001 | arfinningorneq |
| langue picarde | pcd-000 | arfinte |
| Gaeilge | gle-000 | ar fionraí |
| latviešu | lvs-000 | arfiste |
| latviešu | lvs-000 | arfists |
| kalaallisut | kal-000 | Arfivik |
| Inuktitut | iku-001 | arfivik |
| português | por-000 | ar fixo |
| bokmål | nob-000 | Årfjellet |
| Cymraeg | cym-000 | ar flaen fy nhafod |
| íslenska | isl-000 | arflaus |
| íslenska | isl-000 | arfleifð |
| íslenska | isl-000 | arfleiða |
| íslenska | isl-000 | arfleiðsla |
| íslenska | isl-000 | arfleiðsluskrá |
| brezhoneg | bre-000 | arfleu |
| brezhoneg | bre-000 | arfleuiñ |
| Cymraeg | cym-000 | arf niwclear |
| Fräiske Sproake | stq-000 | ärfoare |
| Fräiske Sproake | stq-000 | ärfoaren |
| Fräiske Sproake | stq-000 | Ärfoarenge |
| Fräiske Sproake | stq-000 | ärfoarskje |
| Cymraeg | cym-000 | arfod |
| Bontoc—Guinaang | lbk-002 | arfofóngan |
| Cymraeg | cym-000 | arfog |
| Cymraeg | cym-000 | arfogaeth |
| Cymraeg | cym-000 | arfogi |
| Roman | rmc-000 | ar fojinav |
| brezhoneg | bre-000 | Ar Folgoad |
| Mennoniten-Plautdietsch | pdt-001 | Arʼfoljch |
| Cymraeg | cym-000 | arfoll |
| magyar | hun-000 | árfolyam |
| magyar | hun-000 | árfolyamcsökkenés |
| magyar | hun-000 | árfolyamemelkedés |
| magyar | hun-000 | árfolyamemelkedésre játszik |
| magyar | hun-000 | árfolyamemelkedésre játszó személy |
| magyar | hun-000 | árfolyamemelkedésre spekulál |
| magyar | hun-000 | árfolyamemelkedést előidéző művelet |
| magyar | hun-000 | árfolyamesés |
| magyar | hun-000 | árfolyam-fedezeti ügylet kötése |
| magyar | hun-000 | árfolyamjegyzék |
| magyar | hun-000 | árfolyamjegyzés |
| magyar | hun-000 | árfolyamjegyzés ellen felszólamlással él |
| magyar | hun-000 | árfolyam-különbözet |
| magyar | hun-000 | árfolyamkülönbség |
| magyar | hun-000 | árfolyamlap |
| magyar | hun-000 | árfolyamnemelkedés |
| magyar | hun-000 | árfolyam-növekedés |
| magyar | hun-000 | árfolyamot magasba hajtja |
| magyar | hun-000 | árfolyamparitás |
| magyar | hun-000 | árfolyam-szabályozás |
| Cymraeg | cym-000 | Arfon |
| English | eng-000 | arfonad |
| Gaeilge | gle-000 | ar fónamh |
| italiano | ita-000 | ARFOR |
| Gaeilge | gle-000 | ar forbhás |
| Cymraeg | cym-000 | arfordir |
| Cymraeg | cym-000 | Arfordir Ifori |
| Cymraeg | cym-000 | arfordiroedd |
| Cymraeg | cym-000 | arfordirol |
| français | fra-000 | arfordirol |
| brezhoneg | bre-000 | Ar Forest-Fouenant |
| brezhoneg | bre-000 | Ar Forest-Landerne |
| English | eng-000 | arformoterol |
| português | por-000 | arformoterol |
| Gaeilge | gle-000 | ar foscadh |
| Gaeilge | gle-000 | ar fostú |
| latviešu | lvs-000 | ar fotogrāfisku precizitāti |
| brezhoneg | bre-000 | Ar Fouilh |
| brezhoneg | bre-000 | Ar Fouilhez |
| Fräiske Sproake | stq-000 | Ärfoulch |
| Fräiske Sproake | stq-000 | Ärfoulch hääbe |
| langue picarde | pcd-000 | arfouler |
| langue picarde | pcd-000 | arfoutu |
| Bontoc—Guinaang | lbk-002 | arfowángan |
| norskr | non-000 | arfr |
| brezhoneg | bre-000 | ar fraezh |
| English | eng-000 | AR Freixieiro |
| italiano | ita-000 | AR Freixieiro |
| português | por-000 | ar fresco |
| langue picarde | pcd-000 | arfrodir |
| Gaeilge | gle-000 | ar fruiliú |
| Cymraeg | cym-000 | ar frys |
| íslenska | isl-000 | arfsögn |
| Deutsch | deu-000 | Arft |
| English | eng-000 | Arft |
| Esperanto | epo-000 | Arft |
| Plattdüütsch | nds-000 | Arft |
| Plattdüütsch-Neddersassisch | nds-002 | Arft |
| Nederlands | nld-000 | Arft |
| română | ron-000 | Arft |
| Volapük | vol-000 | Arft |