| English | eng-000 | R.&McG |
| English | eng-000 | R.&McG 1928-1930 |
| English | eng-000 | RM codes |
| English | eng-000 | RMCProfile coefficient file |
| English | eng-000 | RMCProfile file |
| English | eng-000 | RMCProfile list file |
| English | eng-000 | RMCProfile peak profile file |
| English | eng-000 | RMCProfile range of values file |
| English | eng-000 | RMCS |
| English | eng-000 | RMD |
| ISO 639-3 | art-001 | rmd |
| filename extensions | art-335 | rmd |
| English | eng-000 | RMDB |
| TechTarget file types | art-336 | RMD-Document-Microsoft-RegMaid |
| Ketengban | xte-003 | ?rme |
| Deutsch | deu-000 | RME |
| ISO 639-3 | art-001 | rme |
| filename extensions | art-335 | rme |
| Japhug Rgyalrong | jya-000 | rme |
| Osum | omo-000 | rme- |
| A-mdo skad | adx-001 | rm̥e |
| ISO 639-PanLex | art-274 | rme-000 |
| dižəʼəxon | zav-000 | rmech |
| dižəʼəxon | zav-000 | rmech xon' |
| dižəʼəxon | zav-000 | rmech yix̱ə' |
| dižaʼxon | zpq-000 | rmed |
| langue picarde | pcd-000 | r’mèd’ |
| langue picarde | pcd-000 | r’mède |
| langue picarde | pcd-000 | r’médiab’ |
| langue picarde | pcd-000 | r’médieu |
| Zapoteco de San Dionisio Ocotepec | ztu-000 | rmedy |
| Deutsch | deu-000 | rmee |
| ISO 639-3 Reference Names | art-289 | Rmeet |
| ISO 639-3 Print Names | art-290 | Rmeet |
| ISO 639-3 Inverted Names | art-291 | Rmeet |
| Ethnologue Language Names | art-330 | Rmeet |
| TechTarget file types | art-336 | RME-Final-Fantasy-Sound-Square-Enix-Co-Ltd |
| Taqbaylit | kab-000 | rmegh |
| Met Remenkēmi | cop-002 | rmeie |
| Deutsch | deu-000 | rmel |
| langue picarde | pcd-000 | r’membremé |
| langue picarde | pcd-000 | r’membreu |
| langue picarde | pcd-000 | r’mémoreu |
| Lengua de signos española | ssp-000 | Rmemuwraihob |
| Ethnologue Language Names | art-330 | Rmen |
| čeština | ces-000 | rmen |
| čeština | ces-000 | rmen barvířský |
| čeština | ces-000 | rmen barvířský nepravý |
| čeština | ces-000 | rmen chioský |
| čeština | ces-000 | rmenec |
| čeština | ces-000 | rmenec sličný |
| čeština | ces-000 | rmenec smíšený |
| langue picarde | pcd-000 | r’mèneu |
| čeština | ces-000 | rmen horský |
| čeština | ces-000 | rmen karpatský |
| čeština | ces-000 | rmen krétský |
| čeština | ces-000 | rmen malý |
| čeština | ces-000 | rmen plstnatý |
| čeština | ces-000 | rmen rakouský |
| čeština | ces-000 | rmen rolní |
| čeština | ces-000 | rmen rusínský |
| Deutsch | deu-000 | rmenschlich |
| čeština | ces-000 | rmen smradlavý |
| čeština | ces-000 | rmen smrdutý |
| čeština | ces-000 | rmen tatranský |
| langue picarde | pcd-000 | r’mercieme |
| langue picarde | pcd-000 | r’mercieu |
| ქართული | kat-000 | rmerthi |
| Taqbaylit | kab-000 | rmes |
| Taqbaylit | kab-000 | rʼmes |
| TechTarget file types | art-336 | RME-Sb_awe-keys-file |
| langue picarde | pcd-000 | r’mèt’ |
| English | eng-000 | r-meter |
| English | eng-000 | R method |
| Türkçe | tur-000 | RM etkinleştirme hizmeti |
| langue picarde | pcd-000 | r’meubleu |
| ISO 639-3 | art-001 | rmf |
| ISO 639 | art-005 | rmf |
| filename extensions | art-335 | rmf |
| ISO 639-PanLex | art-274 | rmf-000 |
| Deutsch | deu-000 | RMF FM |
| English | eng-000 | RMF FM |
| polski | pol-000 | RMF FM |
| TechTarget file types | art-336 | RMF-Rich-Map-Format-used-by-3-D-game-editors-to-store-a-map |
| TechTarget file types | art-336 | RMF-Rich-music-format-Beatnik |
| English | eng-000 | RMFS |
| ISO 639-3 | art-001 | rmg |
| filename extensions | art-335 | rmg |
| English | eng-000 | rmg |
| ISO 639-PanLex | art-274 | rmg-000 |
| TechTarget file types | art-336 | RMG-ANSYS-file |
| English | eng-000 | RMGC |
| TechTarget file types | art-336 | RMG-Rimage-Image-file |
| TechTarget file types | art-336 | RMG-RootsMagic-genealogy-file |
| TechTarget file types | art-336 | RMG-Temporary-file |
| ISO 639-3 | art-001 | rmh |
| filename extensions | art-335 | rmh |
| ISO 639-PanLex | art-274 | rmh-000 |
| ISO 639-PanLex | art-274 | rmh-001 |
| Deutsch | deu-000 | RM Hamm Benfica |
| lietuvių | lit-000 | RM Hamm Benfica |
| Lëtzebuergesch | ltz-000 | RM Hamm Benfica |
| Nederlands | nld-000 | RM Hamm Benfica |
| English | eng-000 | R. M. Hare |
| suomi | fin-000 | R. M. Hare |
| íslenska | isl-000 | R.M. Hare |
| svenska | swe-000 | R.M. Hare |
| TechTarget file types | art-336 | RMH-GigaTrust-RM-protected-File-GigaMedia-Access-Corporation |
| English | eng-000 | RMI |
| el maghribïya | ary-001 | Rʼmi |
| ISO 639-3 | art-001 | rmi |
| filename extensions | art-335 | rmi |
| Japhug Rgyalrong | jya-000 | rmi |
| Taqbaylit | kab-000 | rmi |
| Proto-Tibeto-Burman | tbq-002 | rmi |
| Peace Corps 2007 Tamazight | tzm-009 | rmi |
| ISO 639-PanLex | art-274 | rmi-000 |
| filename extensions | art-335 | rmid |
| English | eng-000 | RMID MIDI File |
| TechTarget file types | art-336 | RMID-MIDI-sequention-music-RIFF-RMID-format |
| Malti | mlt-000 | rmied |
| bod skad | bod-001 | rmig pa |
| English | eng-000 | RMI-IIOP |
| 日本語 | jpn-000 | RMI-IIOP |
| Nederlands | nld-000 | RMI-IIOP |
| español | spa-000 | RMI-IIOP |
| lietuvių | lit-000 | RMI/IIOP |
| English | eng-000 | R. Mika |
| Nederlands | nld-000 | R. Mika |
| bod skad | bod-001 | rmi lam |
| bod skad | bod-001 | rmi lam gtong |
| TechTarget file types | art-336 | RMI-MIDI-music |
| Taroko | trv-000 | rmimu |
| Proto-Tibeto-Burman | tbq-002 | rmiN |
| langue picarde | pcd-000 | r’mis |
| langue picarde | pcd-000 | r’misâg’ |
| langue picarde | pcd-000 | r’mîse |
| langue picarde | pcd-000 | r’miseu |
| Tsou | tsu-000 | rmisi |
| Kơho | kpm-000 | rmit |
| Biat | cmo-000 | rmĭt |
| Deutsch | deu-000 | rmitteln |
| English | eng-000 | RMIT University |
| bokmål | nob-000 | RMIT University |
| 日本語 | jpn-000 | RMIT大学 |
| Cha7³¹ tinyan³ | ctz-000 | rʼmiyu |
| filename extensions | art-335 | rmj |
| English | eng-000 | RMJM |
| русский | rus-000 | RMJM London |
| TechTarget file types | art-336 | RMJ-RealAudio-Media-RealNetworks-Inc |
| TechTarget file types | art-336 | RMJ-Real-Media-Jukebox-Audio-File |
| ISO 639-3 | art-001 | rmk |
| filename extensions | art-335 | rmk |
| ISO 639-PanLex | art-274 | rmk-000 |
| Deutsch | deu-000 | RMK 30 |
| Türkçe | tur-000 | RM kasası |
| TechTarget file types | art-336 | RMK-Makefile-Clipper-RMake |
| English | eng-000 | RML |
| ISO 639-3 | art-001 | rml |
| filename extensions | art-335 | rml |
| ISO 639-PanLex | art-274 | rml-000 |
| ISO 639-PanLex | art-274 | rml-001 |
| ISO 639-PanLex | art-274 | rml-002 |
| ISO 639-PanLex | art-274 | rml-003 |
| Peace Corps 2007 Tamazight | tzm-009 | rmla |
| 國語 | cmn-001 | RM Lockbox |
| dansk | dan-000 | RM Lockbox |
| English | eng-000 | RM Lockbox |
| hrvatski | hrv-000 | RM Lockbox |
| Hangungmal | kor-001 | RM Lockbox |
| latviešu | lvs-000 | RM Lockbox |
| română | ron-000 | RM Lockbox |
| srpski | srp-001 | RM Lockbox |
| Deutsch | deu-000 | RM-Lockbox |
| Cymraeg | cym-000 | R. M. Lockley |
| TechTarget file types | art-336 | RML-Redline-Markup-Language-File |
| العربية | arb-000 | RMM |
| bălgarski ezik | bul-001 | RMM |
| 普通话 | cmn-000 | RMM |
| dansk | dan-000 | RMM |
| Deutsch | deu-000 | RMM |
| eesti | ekk-000 | RMM |
| English | eng-000 | RMM |
| suomi | fin-000 | RMM |
| français | fra-000 | RMM |
| עברית | heb-000 | RMM |
| Hindi | hin-002 | RMM |
| hrvatski | hrv-000 | RMM |
| italiano | ita-000 | RMM |
| 日本語 | jpn-000 | RMM |
| Hangungmal | kor-001 | RMM |
| lietuvių | lit-000 | RMM |
| latviešu | lvs-000 | RMM |
| Nederlands | nld-000 | RMM |
| bokmål | nob-000 | RMM |
| polski | pol-000 | RMM |
| português | por-000 | RMM |
| română | ron-000 | RMM |
| русский | rus-000 | RMM |
| slovenčina | slk-000 | RMM |
| slovenščina | slv-000 | RMM |
| español | spa-000 | RMM |
| srpski | srp-001 | RMM |
| ภาษาไทย | tha-000 | RMM |
| Türkçe | tur-000 | RMM |
| українська | ukr-000 | RMM |
| ISO 639-3 | art-001 | rmm |
| filename extensions | art-335 | rmm |
| ISO 639-PanLex | art-274 | rmm-000 |
| el maghribïya | ary-001 | rmmân |
| santostefanese | ita-002 | r’mm’nnà |
| santostefanese | ita-002 | r’mm’nnon’ |
| TechTarget file types | art-336 | RMM-RAM-Meta-File |
| TechTarget file types | art-336 | RMM-RealMedia-Metafile-RealNetworks-Inc |
| dansk | dan-000 | RMM (real-mode mapper) |
| svenska | swe-000 | RMM (real-mode mapper) |
| suomi | fin-000 | RMMV Stirling Castle |
| português | por-000 | RMN |
| português | por-000 | Rmn |
| ISO 639-3 | art-001 | rmn |
| ISO 639-PanLex | art-274 | rmn-000 |
| ISO 639-PanLex | art-274 | rmn-001 |
| ISO 639-PanLex | art-274 | rmn-002 |
| ISO 639-PanLex | art-274 | rmn-003 |
| ISO 639-PanLex | art-274 | rmn-004 |
| ISO 639-PanLex | art-274 | rmn-005 |
| ISO 639-PanLex | art-274 | rmn-006 |
| ISO 639-PanLex | art-274 | rmn-007 |
| santostefanese | ita-002 | r’m’nì |
| English | eng-000 | RM Number Magic Data File |
| bokmål | nob-000 | RM-nøkkelsafe |
| ISO 639-3 | art-001 | rmo |
| ISO 639 | art-005 | rmo |
| Limbum | lmp-000 | rmō |
| ISO 639-PanLex | art-274 | rmo-000 |
| English | eng-000 | RMOC |
| English | eng-000 | R-mode factor analysis |
| langue picarde | pcd-000 | r’modelâg’ |
| langue picarde | pcd-000 | r’modeleu |
| English | eng-000 | R-mode space |
| English | eng-000 | R-mode statistical method |
| Deutsch | deu-000 | RM-ODP |
| English | eng-000 | RM-ODP |
| Deutsch | deu-000 | R-Modul |
| čeština | ces-000 | R-modul |
| English | eng-000 | RMOGA |
| Takia | tbc-000 | rmok |
| bod skad | bod-001 | rmo lags |
| Deutsch | deu-000 | RMON |
| English | eng-000 | RMON |
| polski | pol-000 | RMON |
| santostefanese | ita-002 | r’monc’cà |
| santostefanese | ita-002 | r’monc’con’ |
| magyar | hun-000 | R mondatok |
| English | eng-000 | R Monel |
| bod skad | bod-001 | rmong dad byed |
| bod skad | bod-001 | rmong zhen byed |
| English | eng-000 | R Monocerotis |
| español | spa-000 | R Monocerotis |
| langue picarde | pcd-000 | r’montâg’ |
| langue picarde | pcd-000 | r’montânt |
| langue picarde | pcd-000 | r’monteu |
| English | eng-000 | R months |
| langue picarde | pcd-000 | r’montwôr |
| langue picarde | pcd-000 | r’moqueu |
| Riantana | ran-000 | r mora |
| langue picarde | pcd-000 | r’môrds |
| Deutsch | deu-000 | rmorgen |
| langue picarde | pcd-000 | r’morquâg’ |
| langue picarde | pcd-000 | r’morquie |
| English | eng-000 | RMOS |
| langue picarde | pcd-000 | r’mouilleu |
| langue picarde | pcd-000 | r’mouillie |
| langue picarde | pcd-000 | r’moûs |
| langue picarde | pcd-000 | r’moustreu |
| čeština | ces-000 | rmoutil |
| čeština | ces-000 | rmoutit |
| čeština | ces-000 | rmoutit se |
| ISO 639-3 | art-001 | rmp |
| filename extensions | art-335 | rmp |
| ISO 639-PanLex | art-274 | rmp-000 |
| English | eng-000 | RM photocathode |
| TechTarget file types | art-336 | RMP-Map-File |
| TechTarget file types | art-336 | RMP-Open-Workbench-project-file |
| TechTarget file types | art-336 | RMP-RealAudio-audio-file |
| TechTarget file types | art-336 | RMP-RealJukebox-Track-Info-Package-RealNetworks-Inc |
| TechTarget file types | art-336 | RMP-RIFF-MP3-audio-file |
| English | eng-000 | RM.PRINT.AREA |
| GeoNames Feature Codes | art-286 | RMPU |
| ISO 639-3 | art-001 | rmq |
| ISO 639-PanLex | art-274 | rmq-000 |
| Taroko | trv-000 | rmqun |
| English | eng-000 | RMR |
| ISO 639-3 Retired Code Elements | art-324 | rmr |
| filename extensions | art-335 | rmr |
| English | eng-000 | RMRB |
| TechTarget file types | art-336 | RM-RealNetwork-s-RealPlayer-media-player |
| TechTarget file types | art-336 | RMR-Resume-Maker-File |
| TechTarget file types | art-336 | RMR-ResumeMaker-File |