| English | eng-000 | K corona |
| English | eng-000 | K-corona |
| English | eng-000 | K-corona transient |
| English | eng-000 | K correction |
| Malecite-Passamaquoddy | pqm-000 | kcoski |
| Malecite-Passamaquoddy | pqm-000 | kcoskuwesu |
| Unicode Property Aliases | art-331 | kCowles |
| ISO 639-3 | art-001 | kcp |
| ISO 639-PanLex | art-274 | kcp-000 |
| ISO 639-PanLex | art-274 | kcp-001 |
| arevelahayeren | hye-002 | kˀčˀpˀel |
| ISO 639-3 | art-001 | kcq |
| ISO 639-PanLex | art-274 | kcq-000 |
| עברית | heb-000 | KCR |
| ISO 639-3 | art-001 | kcr |
| ISO 639-PanLex | art-274 | kcr-000 |
| English | eng-000 | KCron |
| English | eng-000 | KCRP |
| English | eng-000 | KCRW |
| Nederlands | nld-000 | KCRW |
| polski | pol-000 | KCRW |
| English | eng-000 | KCS |
| English | eng-000 | Kc/s |
| čeština | ces-000 | Kčs |
| ISO 639-3 | art-001 | kcs |
| ISO 639-PanLex | art-274 | kcs-000 |
| English | eng-000 | KCSM |
| français | fra-000 | KCSM |
| English | eng-000 | KCSS |
| Deutsch | deu-000 | KC Stadium |
| English | eng-000 | KC Stadium |
| polski | pol-000 | KC Stadium |
| polski | pol-000 | KC & Sunshine Band |
| ISO 639-3 | art-001 | kct |
| filename extensions | art-335 | kct |
| ISO 639-PanLex | art-274 | kct-000 |
| English | eng-000 | KC Ten |
| italiano | ita-000 | KC Ten |
| Nederlands | nld-000 | KC & the Sunshine Band |
| svenska | swe-000 | KC & the Sunshine Band |
| TechTarget file types | art-336 | KCT-Kwalitan-Categories |
| English | eng-000 | KCTV |
| Nederlands | nld-000 | KCTV-toren |
| Deutsch | deu-000 | KCTV-Tower |
| English | eng-000 | KČU |
| ISO 639-3 | art-001 | kcu |
| ISO 639 | art-005 | kcu |
| ISO 639-PanLex | art-274 | kcu-000 |
| Thavung | thm-000 | kcuh¹ |
| English | eng-000 | K-curve |
| Deutsch | deu-000 | KCV |
| ISO 639-3 | art-001 | kcv |
| ISO 639-PanLex | art-274 | kcv-000 |
| Deutsch | deu-000 | KC Veszprém |
| English | eng-000 | KC Veszprém |
| français | fra-000 | KC Veszprém |
| Nederlands | nld-000 | KCVV Elewijt |
| ISO 639-3 | art-001 | kcw |
| ISO 639-PanLex | art-274 | kcw-000 |
| Sino-Caucasian | cau-002 | *kč̣wĭ̵́ |
| English | eng-000 | K. C. Wu |
| ISO 639-3 | art-001 | kcx |
| ISO 639-PanLex | art-274 | kcx-000 |
| ISO 639-PanLex | art-274 | kcx-001 |
| ISO 639-3 | art-001 | kcy |
| ISO 639-PanLex | art-274 | kcy-000 |
| English | eng-000 | Kcynia |
| Esperanto | epo-000 | Kcynia |
| basa Jawa | jav-000 | Kcynia |
| Nederlands | nld-000 | Kcynia |
| polski | pol-000 | Kcynia |
| română | ron-000 | Kcynia |
| ISO 639-3 | art-001 | kcz |
| ISO 639-PanLex | art-274 | kcz-000 |
| Wenedyk | art-412 | kczyna |
| Cheʼ Wong | cwg-000 | kcɛʔ |
| Tafaghist | taq-000 | K-d |
| English | eng-000 | K.D. |
| English | eng-000 | KD |
| Esperanto | epo-000 | KD |
| Afaan Oromoo | gaz-000 | KD |
| Nāhuatlahtōlli | nci-000 | KD |
| polski | pol-000 | KD |
| Türkçe | tur-000 | KD |
| eesti | ekk-000 | kd |
| English | eng-000 | kd |
| Kresh | krs-000 | kd |
| Türkçe | tur-000 | kd |
| May | scb-000 | kd3l |
| English | eng-000 | kDa |
| español | spa-000 | kDa |
| ISO 639-3 | art-001 | kda |
| filename extensions | art-335 | kda |
| mokshenj kalj | mdf-001 | kda |
| Denaʼina Qenaga | tfn-000 | kʼda |
| ISO 639-PanLex | art-274 | kda-000 |
| Thavung | thm-000 | kdaan¹ |
| Arāmît | oar-000 | kdab |
| Takia | tbc-000 | kdabog |
| Unicode Property Aliases | art-331 | kDaeJaweon |
| slovenščina | slv-000 | kdaj |
| slovenščina | slv-000 | kdàj |
| slovenščina | slv-000 | kdáj |
| slovenščina | slv-000 | kdajkoli |
| Cheʼ Wong | cwg-000 | kdak |
| čeština | ces-000 | kdáká |
| čeština | ces-000 | kdákal |
| čeština | ces-000 | kdákaní |
| čeština | ces-000 | kdákání |
| čeština | ces-000 | kdákat |
| hanácké | ces-002 | kdákat |
| čeština | ces-000 | kdákot |
| Atkan | ale-001 | kdal |
| Arāmît | oar-000 | ḳdālā |
| Arāmît | oar-000 | ḳdam |
| English | eng-000 | Kdam Eurovision |
| Nederlands | nld-000 | Kdam Eurovision |
| Atkan | ale-001 | kdam ilan chalil |
| Atkan | ale-001 | kdam liizii |
| Atkan | ale-001 | kdam tanĝaaĝii |
| Ethnologue Language Names | art-330 | Kdang |
| Atkan | ale-001 | kdangix̂ |
| TechTarget file types | art-336 | KDA-Nova-Logic-game-file |
| Yami | tao-000 | -kdas |
| Arāmît | oar-000 | ḳdāšā |
| čeština | ces-000 | k ďasu |
| English | eng-000 | K Database Magic Project File |
| Deutsch | deu-000 | KD Avia |
| English | eng-000 | KD Avia |
| galego | glg-000 | KD Avia |
| italiano | ita-000 | KD Avia |
| Nederlands | nld-000 | KD Avia |
| polski | pol-000 | KD Avia |
| español | spa-000 | KD Avia |
| Tboli | tbl-000 | kdaw |
| Atkan | ale-001 | kdax |
| Taroko | trv-000 | kdax |
| Unangam Tunuu | ale-000 | kdax̂ |
| Cheʼ Wong | cwg-000 | kday |
| ivrit | heb-002 | kday |
| Takia | tbc-000 | kdaŋa- |
| filename extensions | art-335 | kdb |
| el maghribïya | ary-001 | kdb |
| TechTarget file types | art-336 | KDB-Doobs-database-Header |
| TechTarget file types | art-336 | KDB-Doobs-Database-Kyuran-s-World |
| English | eng-000 | KDBE |
| TechTarget file types | art-336 | KDB-Encrypted-passwords-database-file |
| English | eng-000 | KDbg |
| polski | pol-000 | KDbg |
| TechTarget file types | art-336 | KDB-KeePass-Password-Database-ver-1-x-Dominik-Reichl |
| TechTarget file types | art-336 | KDB-KeePass-password-management-database-file |
| TechTarget file types | art-336 | KDB-Keypass-Database-File |
| TechTarget file types | art-336 | KDB-Kinetica-data-Header |
| TechTarget file types | art-336 | KDB-kinodb-file |
| TechTarget file types | art-336 | KDB-kusziDataBase-Database-File |
| English | eng-000 | KDB-MLW |
| Kiswahili | swh-000 | Kdbt |
| English | eng-000 | K-D-B-tree |
| filename extensions | art-335 | kdbx |
| TechTarget file types | art-336 | KDBX-KeePass-2-x-database-file-KeePass |
| TechTarget file types | art-336 | KDBX-KeePass-password-database-file |
| العربية | arb-000 | KDC |
| bălgarski ezik | bul-001 | KDC |
| čeština | ces-000 | KDC |
| 普通话 | cmn-000 | KDC |
| dansk | dan-000 | KDC |
| Deutsch | deu-000 | KDC |
| eesti | ekk-000 | KDC |
| English | eng-000 | KDC |
| français | fra-000 | KDC |
| עברית | heb-000 | KDC |
| Hindi | hin-002 | KDC |
| hrvatski | hrv-000 | KDC |
| italiano | ita-000 | KDC |
| 日本語 | jpn-000 | KDC |
| Hangungmal | kor-001 | KDC |
| lietuvių | lit-000 | KDC |
| Nederlands | nld-000 | KDC |
| português | por-000 | KDC |
| română | ron-000 | KDC |
| slovenščina | slv-000 | KDC |
| español | spa-000 | KDC |
| srpski | srp-001 | KDC |
| svenska | swe-000 | KDC |
| ภาษาไทย | tha-000 | KDC |
| Türkçe | tur-000 | KDC |
| українська | ukr-000 | KDC |
| ISO 639-3 | art-001 | kdc |
| filename extensions | art-335 | kdc |
| ISO 639-PanLex | art-274 | kdc-000 |
| Türkçe | tur-000 | KDC AS İsteği Sayısı |
| English | eng-000 | KDC AS Requests |
| Türkçe | tur-000 | KDC Hizmeti |
| TechTarget file types | art-336 | KDC-Image-Kodak-Photo-Enhancer |
| svenska | swe-000 | KDC (key distribution center) |
| English | eng-000 | KDC Service |
| Deutsch | deu-000 | KDD |
| English | eng-000 | KDD |
| ISO 639-3 | art-001 | kdd |
| filename extensions | art-335 | kdd |
| ISO 639-PanLex | art-274 | kdd-000 |
| 普通话 | cmn-000 | KDDI |
| 國語 | cmn-001 | KDDI |
| Deutsch | deu-000 | KDDI |
| English | eng-000 | KDDI |
| Esperanto | epo-000 | KDDI |
| français | fra-000 | KDDI |
| italiano | ita-000 | KDDI |
| 日本語 | jpn-000 | KDDI |
| русский | rus-000 | KDDI |
| español | spa-000 | KDDI |
| English | eng-000 | KDDI Corporation |
| English | eng-000 | KDDI Designing Studio |
| English | eng-000 | KDDI Mobile |
| Esperanto | epo-000 | KD-disko |
| 日本語 | jpn-000 | KDDI デザイニングスタジオ |
| 日本語 | jpn-000 | KDDIモバイル |
| 日本語 | jpn-000 | KDDI株式会社 |
| TechTarget file types | art-336 | KDD-Unknown-or-unassigned-file-extension |
| Afrikaans | afr-000 | KDE |
| bosanski | bos-000 | KDE |
| bălgarski ezik | bul-001 | KDE |
| català | cat-000 | KDE |
| čeština | ces-000 | KDE |
| 普通话 | cmn-000 | KDE |
| 國語 | cmn-001 | KDE |
| dansk | dan-000 | KDE |
| eesti | ekk-000 | KDE |
| ελληνικά | ell-000 | KDE |
| English | eng-000 | KDE |
| Esperanto | epo-000 | KDE |
| euskara | eus-000 | KDE |
| suomi | fin-000 | KDE |
| français | fra-000 | KDE |
| galego | glg-000 | KDE |
| Schwizerdütsch | gsw-000 | KDE |
| עברית | heb-000 | KDE |
| hrvatski | hrv-000 | KDE |
| magyar | hun-000 | KDE |
| italiano | ita-000 | KDE |
| 日本語 | jpn-000 | KDE |
| Kurmancî | kmr-000 | KDE |
| Hangungmal | kor-001 | KDE |
| lietuvių | lit-000 | KDE |
| latviešu | lvs-000 | KDE |
| Makedonski jazik | mkd-001 | KDE |
| Nederlands | nld-000 | KDE |
| nynorsk | nno-000 | KDE |
| polski | pol-000 | KDE |
| português | por-000 | KDE |
| română | ron-000 | KDE |
| русский | rus-000 | KDE |
| slovenčina | slk-000 | KDE |
| slovenščina | slv-000 | KDE |
| español | spa-000 | KDE |
| srpski | srp-001 | KDE |
| svenska | swe-000 | KDE |
| ภาษาไทย | tha-000 | KDE |
| Türkçe | tur-000 | KDE |
| українська | ukr-000 | KDE |
| tiếng Việt | vie-000 | KDE |
| ភាសាខ្មែរ | khm-000 | Kde |
| Xerénte | xer-000 | kdE* |
| ISO 639-3 | art-001 | kde |
| filename extensions | art-335 | kde |
| IETF language tags | art-420 | kde |
| čeština | ces-000 | kde |
| slovenčina | slk-000 | kde |
| ISO 639-PanLex | art-274 | kde-000 |
| ISO 639-PanLex | art-274 | kde-001 |
| русский | rus-000 | Kdeaccessibility |
| English | eng-000 | KDE Accessibility Project |
| français | fra-000 | KDE Accessibility Project |
| português | por-000 | KDE Accessibility Project |
| el maghribïya | ary-001 | Kʼdeb |
| català | cat-000 | KDEBase |
| English | eng-000 | KDEBase |
| français | fra-000 | KDEBase |
| polski | pol-000 | KDEBase |
| italiano | ita-000 | Kdebase |
| português | por-000 | Kdebase |
| русский | rus-000 | Kdebase |
| Quapaw | qua-000 | kdébną |
| slovenčina | slk-000 | kde bolo |
| English | eng-000 | K-decay |
| čeština | ces-000 | kdeco |
| English | eng-000 | KDE desktop file |
| English | eng-000 | KDE Display Manager |
| français | fra-000 | KDE Display Manager |
| Tukudede | tkd-000 | kde'e |
| català | cat-000 | Kdeedu |
| français | fra-000 | Kdeedu |
| italiano | ita-000 | Kdeedu |
| português | por-000 | Kdeedu |
| español | spa-000 | Kdeedu |
| Deutsch | deu-000 | KDE Education Project |
| English | eng-000 | KDE Education Project |
| Nederlands | nld-000 | KDE Education Project |