| Afrikaans | afr-000 | MDL |
| አማርኛ | amh-000 | MDL |
| العربية | arb-000 | MDL |
| ISO 4217 | art-320 | MDL |
| asturianu | ast-000 | MDL |
| azərbaycanca | azj-000 | MDL |
| беларуская | bel-000 | MDL |
| বাংলা | ben-000 | MDL |
| bosanski | bos-000 | MDL |
| brezhoneg | bre-000 | MDL |
| български | bul-000 | MDL |
| català | cat-000 | MDL |
| čeština | ces-000 | MDL |
| нохчийн мотт | che-000 | MDL |
| 普通话 | cmn-000 | MDL |
| 國語 | cmn-001 | MDL |
| Cymraeg | cym-000 | MDL |
| dansk | dan-000 | MDL |
| Deutsch | deu-000 | MDL |
| eesti | ekk-000 | MDL |
| ελληνικά | ell-000 | MDL |
| English | eng-000 | MDL |
| euskara | eus-000 | MDL |
| føroyskt | fao-000 | MDL |
| Wikang Filipino | fil-000 | MDL |
| suomi | fin-000 | MDL |
| français | fra-000 | MDL |
| Gàidhlig | gla-000 | MDL |
| Gaeilge | gle-000 | MDL |
| galego | glg-000 | MDL |
| ગુજરાતી | guj-000 | MDL |
| עברית | heb-000 | MDL |
| हिन्दी | hin-000 | MDL |
| hrvatski | hrv-000 | MDL |
| magyar | hun-000 | MDL |
| արևելահայերեն | hye-000 | MDL |
| bahasa Indonesia | ind-000 | MDL |
| íslenska | isl-000 | MDL |
| italiano | ita-000 | MDL |
| 日本語 | jpn-000 | MDL |
| ಕನ್ನಡ | kan-000 | MDL |
| ქართული | kat-000 | MDL |
| қазақ | kaz-000 | MDL |
| kriolu kabuverdianu | kea-000 | MDL |
| монгол | khk-000 | MDL |
| ភាសាខ្មែរ | khm-000 | MDL |
| кыргыз | kir-000 | MDL |
| 한국어 | kor-000 | MDL |
| ລາວ | lao-000 | MDL |
| lietuvių | lit-000 | MDL |
| latviešu | lvs-000 | MDL |
| മലയാളം | mal-000 | MDL |
| मराठी | mar-000 | MDL |
| македонски | mkd-000 | MDL |
| مازرونی | mzn-000 | MDL |
| Nederlands | nld-000 | MDL |
| bokmål | nob-000 | MDL |
| नेपाली | npi-000 | MDL |
| ਪੰਜਾਬੀ | pan-000 | MDL |
| فارسی | pes-000 | MDL |
| polski | pol-000 | MDL |
| português | por-000 | MDL |
| română | ron-000 | MDL |
| русский | rus-000 | MDL |
| සිංහල | sin-000 | MDL |
| slovenčina | slk-000 | MDL |
| slovenščina | slv-000 | MDL |
| español | spa-000 | MDL |
| српски | srp-000 | MDL |
| srpski | srp-001 | MDL |
| svenska | swe-000 | MDL |
| Kiswahili | swh-000 | MDL |
| தமிழ் | tam-000 | MDL |
| తెలుగు | tel-000 | MDL |
| ภาษาไทย | tha-000 | MDL |
| türkmençe | tuk-000 | MDL |
| Türkçe | tur-000 | MDL |
| українська | ukr-000 | MDL |
| اردو | urd-000 | MDL |
| oʻzbek | uzn-000 | MDL |
| tiếng Việt | vie-000 | MDL |
| Bahasa Malaysia | zsm-000 | MDL |
| isiZulu | zul-000 | MDL |
| Deutsch | deu-000 | MdL |
| ISO 639-3 | art-001 | mdl |
| filename extensions | art-335 | mdl |
| English | eng-000 | mdl |
| íslenska | isl-000 | mdl |
| čeština | ces-000 | mdlá |
| polski | pol-000 | mdlący |
| ISO 3166-2 | art-416 | MD-LE |
| čeština | ces-000 | mdle |
| čeština | ces-000 | mdlé |
| polski | pol-000 | mdleć |
| polski | pol-000 | mdlejący |
| čeština | ces-000 | mdlená žárovka |
| čeština | ces-000 | mdlené sklo |
| čeština | ces-000 | mdlení pískováním |
| čeština | ces-000 | mdlé sklo |
| čeština | ces-000 | mdlé větry |
| English | eng-000 | MDLF |
| polski | pol-000 | mdli |
| polski | pol-000 | mdlić |
| čeština | ces-000 | mdlít |
| Peace Corps 2007 Tamazight | tzm-009 | mḍlla |
| English | eng-000 | MDL Maccs chemical modeller output file |
| English | eng-000 | MDL marker |
| Deutsch | deu-000 | MdL Mitglied des Landtages |
| TechTarget file types | art-336 | MDL-Model-3D-Design-Plus |
| TechTarget file types | art-336 | MDL-Model-file-element-Rational-Rose |
| TechTarget file types | art-336 | MDL-Model-file-Quake |
| English | eng-000 | MDL Molfile |
| English | eng-000 | MDL Molfile Co- ordinate Animation Format |
| English | eng-000 | MDL Molfile gaussian cube format |
| English | eng-000 | MDL Molfile molecule file |
| English | eng-000 | MDL Molfile MOPAC Input Format |
| English | eng-000 | MDL Molfile - RasMol |
| English | eng-000 | MDL Molfile Reaction Format |
| English | eng-000 | MDL Molfile Transportable Graphics Format |
| TechTarget file types | art-336 | MDL-Music-module-MOD-Digital-Trakker |
| čeština | ces-000 | mdlo |
| čeština | ces-000 | mdloba |
| hanácké | ces-002 | mdloba |
| slovenčina | slk-000 | mdloba |
| čeština | ces-000 | mdlobný |
| čeština | ces-000 | mdloby |
| slovenčina | slk-000 | mdloby |
| Türkçe | tur-000 | MDL Okuma İsabeti |
| Türkçe | tur-000 | MDL Okuma/sn |
| čeština | ces-000 | mdlost |
| slovenčina | slk-000 | mdlosť |
| Deutsch | deu-000 | MDLR Airlines |
| English | eng-000 | MDLR Airlines |
| English | eng-000 | MDL Reaction format |
| English | eng-000 | MDL Read Hits |
| English | eng-000 | MDL Reads/sec |
| English | eng-000 | MDL Transportable Graphics Format Header |
| TechTarget file types | art-336 | MDL-WarCraft-3-model |
| čeština | ces-000 | mdlý |
| slovenčina | slk-000 | mdlý |
| Bangi | bni-000 | mDlyã |
| slovenčina | slk-000 | mdlýď |
| čeština | ces-000 | mdlý obraz |
| español | spa-000 | MDM |
| ISO 639-3 | art-001 | mdm |
| filename extensions | art-335 | mdm |
| ISO 639-PanLex | art-274 | mdm-000 |
| Deutsch | deu-000 | MDM-1 Fox |
| català | cat-000 | MDMA |
| Deutsch | deu-000 | MDMA |
| English | eng-000 | MDMA |
| suomi | fin-000 | MDMA |
| français | fra-000 | MDMA |
| italiano | ita-000 | MDMA |
| español | spa-000 | MDMA |
| català | cat-000 | mdma |
| français | fra-000 | mdma |
| English | eng-000 | MD-Macr |
| English | eng-000 | MDM Bank |
| filename extensions | art-335 | mdml |
| TechTarget file types | art-336 | MDML-Markdown-markup-language |
| English | eng-000 | MDM MDM-1 Fox |
| français | fra-000 | MDM MDM-1 Fox |
| TechTarget file types | art-336 | MDM-Modem-definition-Telix |
| atembwəʼwi | azo-000 | m̆dm̂num̂ |
| filename extensions | art-335 | mdmp |
| TechTarget file types | art-336 | MDMP-Microsoft-Windows-minidump-file |
| TechTarget file types | art-336 | MDMP-Windows-Minidump |
| TechTarget file types | art-336 | MDMP-Windows-Minidump-file |
| TechTarget file types | art-336 | MDMP-WinXP-Trouble-Report-Microsoft-Corporation |
| français | fra-000 | MDM Swift S1 |
| English | eng-000 | MDMX |
| português | por-000 | MDMX |
| Deutsch | deu-000 | MDN |
| English | eng-000 | Mdn |
| ISO 639-3 | art-001 | mdn |
| filename extensions | art-335 | mdn |
| ISO 639-PanLex | art-274 | mdn-000 |
| English | eng-000 | mdna |
| TechTarget file types | art-336 | MDN-Blank-database-template-Microsoft-Access |
| hyw-001 | mdnel | |
| ISO 3166-2 | art-416 | MD-NI |
| English | eng-000 | mdnt |
| Dimasa | dis-000 | m-do |
| தமிழ் | tam-000 | mD¥ò |
| ISO 639-3 Retired Code Elements | art-324 | mdo |
| filename extensions | art-335 | mdo |
| bod skad | bod-001 | mdo |
| Kitaita | dav-000 | mdo |
| Kahe | hka-000 | mdo |
| Mochi | old-000 | mdo |
| Modang | mxd-000 | mdoʼ |
| TechTarget file types | art-336 | MDO-Alcohol-120-split-image-file |
| TechTarget file types | art-336 | MDO-Alcohol-120-Split-Image-File-Alcohol-Software |
| English | eng-000 | MD (Obsolete) |
| ISO 3166-2 | art-416 | MD-OC |
| South Central Dinka | dib-000 | mdodoki |
| Kiswahili | swh-000 | mdodoki |
| chiCheŵa | nya-000 | mdodomeko |
| Kiswahili | swh-000 | mdodoso |
| Bodéwadmimwen | pot-000 | mdodot |
| Bodéwadmimwen | pot-000 | mdodowen |
| Kiswahili | swh-000 | mdoea |
| Kiswahili | swh-000 | mdoea kijibwa kitumishi |
| Kiswahili | swh-000 | mdoezi |
| bod skad | bod-001 | mdog nyes po |
| Kiswahili | swh-000 | mdogo |
| ქართული | kat-000 | mdogvi |
| English | eng-000 | MDOH |
| русский | rus-000 | MDOH |
| Isáŋyáthi | dak-000 | Mdokecokawi |
| Kiswahili | swh-000 | mdokozi |
| Kiswahili | swh-000 | mdoli |
| Aln8ba8dwaw8gan | abe-000 | mdolka |
| português | por-000 | m.}domesticado |
| TechTarget file types | art-336 | MDO-Microsoft-Internet-Information-Server-configuration-backup |
| Kiswahili | swh-000 | Mdominika |
| Kiswahili | swh-000 | mdomo |
| English | eng-000 | MDO Model |
| Kiswahili | swh-000 | mdomo domo |
| Kiswahili | swh-000 | mdomo mrefu |
| Kiswahili | swh-000 | mdomo wa pande |
| Kiswahili | swh-000 | mdomo ya tako |
| Kiswahili | swh-000 | mdomwa |
| Aln8ba8dwaw8gan | abe-000 | mdon |
| chiCheŵa | nya-000 | mdondolozi |
| English | eng-000 | mdongea |
| Kiswahili | swh-000 | mdongea |
| bod skad | bod-001 | mdong mo |
| Temi | soz-000 | mdOngOrane |
| Kiswahili | swh-000 | mdono |
| chiCheŵa | nya-000 | mdontho |
| ISO 3166-2 | art-416 | MD-OR |
| Kiswahili | swh-000 | mdoriani |
| filename extensions | art-335 | mdos |
| Kiswahili | swh-000 | mdoshi |
| TechTarget file types | art-336 | MDOS-MAC-CREATOR-CODE-DOS-file-copied-by-AFE-or-PC-Exchange |
| TechTarget file types | art-336 | MDOS-Mac-File-Type |
| Logooli | rag-000 | mdoto |
| English | eng-000 | mdoulated wave |
| filename extensions | art-335 | mdown |
| Temi | soz-000 | mdOxane |
| Kiswahili | swh-000 | mdoya |
| Kiswahili | swh-000 | mdoza |
| Oku | oku-000 | m̄dóŋ |
| Goemai | ank-000 | mdoɓì |
| English | eng-000 | MDP |
| ISO 639-3 | art-001 | mdp |
| filename extensions | art-335 | mdp |
| français | fra-000 | mdp |
| ISO 639-PanLex | art-274 | mdp-000 |
| English | eng-000 | MDP2P |
| polski | pol-000 | MDP2P |
| русский | rus-000 | MDP2P |
| English | eng-000 | MDP Coordinator |
| TechTarget file types | art-336 | MDP-Developer-Studio-Project-Microsoft-Corporation |
| English | eng-000 | MDPE |
| filename extensions | art-335 | mdpf |
| TechTarget file types | art-336 | MDPF-Mac-File-Type |
| filename extensions | art-335 | mdpl |
| TechTarget file types | art-336 | MDPL-MAC-CREATOR-CODE-MacDraw-II-files |
| TechTarget file types | art-336 | MDPL-MacDraw-II |
| TechTarget file types | art-336 | MDPL-Mac-File-Type |
| TechTarget file types | art-336 | MDP-MicroDesign-page-file |
| TechTarget file types | art-336 | MDP-MicroDesign-Page-Header |
| TechTarget file types | art-336 | MDP-Microsoft-Visual-C-Visual-J-MAK-file-old-project-workspace |
| filename extensions | art-335 | mdpr |
| English | eng-000 | MDP Reference Group |
| TechTarget file types | art-336 | MDPR-Multi-Channel-Server |
| English | eng-000 | MDPS |
| English | eng-000 | mdp-sensor |
| English | eng-000 | MDPSK |
| English | eng-000 | MDPV |
| polski | pol-000 | MDPV |
| TechTarget file types | art-336 | MDP-Visual-C-MAK-File-and-Visual-J-Project-Workspace |
| русский | rus-000 | mdp-датчик |
| ISO 639-3 | art-001 | mdq |
| ISO 639-PanLex | art-274 | mdq-000 |
| Deutsch | deu-000 | MDR |
| English | eng-000 | MDR |
| suomi | fin-000 | MDR |
| hornjoserbšćina | hsb-000 | MDR |
| polski | pol-000 | MDR |
| polski | pol-000 | Mdr |
| ISO 639-3 | art-001 | mdr |
| ISO 639-2/T | art-002 | mdr |
| ISO 639-2/B | art-003 | mdr |
| ISO 639 | art-005 | mdr |
| filename extensions | art-335 | mdr |
| IETF language tags | art-420 | mdr |
| Esperanto | epo-000 | mdr |
| français | fra-000 | mdr |
| français acadien | frc-000 | mdr |
| ISO 639-PanLex | art-274 | mdr-000 |
| ISO 639-PanLex | art-274 | mdr-001 |
| ISO 639-PanLex | art-274 | mdr-002 |
| ISO 639-PanLex | art-274 | mdr-003 |
| Proto-Kadai | tai-014 | mdr3l |