| català | cat-000 | Clive Sinclair |
| čeština | ces-000 | Clive Sinclair |
| dansk | dan-000 | Clive Sinclair |
| Deutsch | deu-000 | Clive Sinclair |
| English | eng-000 | Clive Sinclair |
| suomi | fin-000 | Clive Sinclair |
| français | fra-000 | Clive Sinclair |
| galego | glg-000 | Clive Sinclair |
| bahasa Indonesia | ind-000 | Clive Sinclair |
| italiano | ita-000 | Clive Sinclair |
| Nederlands | nld-000 | Clive Sinclair |
| polski | pol-000 | Clive Sinclair |
| português | por-000 | Clive Sinclair |
| slovenščina | slv-000 | Clive Sinclair |
| español | spa-000 | Clive Sinclair |
| svenska | swe-000 | Clive Sinclair |
| Türkçe | tur-000 | Clive Sinclair |
| Bahasa Malaysia | zsm-000 | Clive Sinclair |
| português | por-000 | Clive sinclair |
| Universal Networking Language | art-253 | Clive Staples Lewis |
| bosanski | bos-000 | Clive Staples Lewis |
| català | cat-000 | Clive Staples Lewis |
| čeština | ces-000 | Clive Staples Lewis |
| Deutsch | deu-000 | Clive Staples Lewis |
| English | eng-000 | Clive Staples Lewis |
| suomi | fin-000 | Clive Staples Lewis |
| français | fra-000 | Clive Staples Lewis |
| galego | glg-000 | Clive Staples Lewis |
| bahasa Indonesia | ind-000 | Clive Staples Lewis |
| italiano | ita-000 | Clive Staples Lewis |
| polski | pol-000 | Clive Staples Lewis |
| português | por-000 | Clive Staples Lewis |
| Runa Simi | que-000 | Clive Staples Lewis |
| română | ron-000 | Clive Staples Lewis |
| slovenčina | slk-000 | Clive Staples Lewis |
| español | spa-000 | Clive Staples Lewis |
| Türkçe | tur-000 | Clive Staples Lewis |
| Bahasa Malaysia | zsm-000 | Clive Staples Lewis |
| português | por-000 | Clive staples lewis |
| dansk | dan-000 | Clive Swift |
| English | eng-000 | Clive Swift |
| suomi | fin-000 | Clive Swift |
| Nederlands | nld-000 | Clive Swift |
| polski | pol-000 | Clive Swift |
| svenska | swe-000 | Clive Swift |
| English | eng-000 | Clive Thomas |
| Türkçe | tur-000 | Clive Thomas |
| English | eng-000 | Cliveti |
| Deutsch | deu-000 | Clive Walker |
| English | eng-000 | Clive Walker |
| Deutsch | deu-000 | Clive Wearing |
| English | eng-000 | Clive Wearing |
| íslenska | isl-000 | Clive Wearing |
| Nederlands | nld-000 | Clive Wearing |
| español | spa-000 | Clive Wearing |
| English | eng-000 | Clive Williams |
| français | fra-000 | Clive Williams |
| Deutsch | deu-000 | Clive Williams Nicol |
| čeština | ces-000 | Clive W. J. Granger |
| Deutsch | deu-000 | Clive W. J. Granger |
| suomi | fin-000 | Clive W. J. Granger |
| français | fra-000 | Clive W. J. Granger |
| português | por-000 | Clive W. J. Granger |
| español | spa-000 | Clive W. J. Granger |
| svenska | swe-000 | Clive W.J. Granger |
| English | eng-000 | Clive Woodward |
| français | fra-000 | Clive Woodward |
| italiano | ita-000 | Clive Woodward |
| italiano | ita-000 | clivi |
| Loglan | jbo-001 | clivi |
| español | spa-000 | clivi |
| dansk | dan-000 | Clivia |
| English | eng-000 | Clivia |
| italiano | ita-000 | Clivia |
| latine | lat-000 | Clivia |
| Latina Nova | lat-003 | Clivia |
| Nederlands | nld-000 | Clivia |
| português | por-000 | Clivia |
| español | spa-000 | Clivia |
| English | eng-000 | clivia |
| italiano | ita-000 | clivia |
| Nederlands | nld-000 | clivia |
| español | spa-000 | clivia |
| italiano | ita-000 | clìvia |
| latine | lat-000 | Clivia miniata |
| Latina Nova | lat-003 | Clivia miniata |
| Deutsch | deu-000 | Clivien |
| Romant | fro-000 | clivier |
| català | cat-000 | Clivillé |
| Esperanto | epo-000 | Clivillé |
| español | spa-000 | Clivillé |
| Deutsch | deu-000 | Clivina |
| English | eng-000 | Clivina |
| français | fra-000 | Clivina |
| magyar | hun-000 | Clivina |
| italiano | ita-000 | Clivina |
| polski | pol-000 | Clivina |
| português | por-000 | Clivina |
| slovenčina | slk-000 | Clivina |
| español | spa-000 | Clivina |
| ภาษาไทย | tha-000 | Clivina |
| 普通话 | cmn-000 | clivina |
| Latina Nova | lat-003 | Clivina collaris |
| Deutsch | deu-000 | Clivina Fossor |
| English | eng-000 | Clivina fossor |
| français | fra-000 | Clivina fossor |
| magyar | hun-000 | Clivina fossor |
| italiano | ita-000 | Clivina fossor |
| Latina Nova | lat-003 | Clivina fossor |
| polski | pol-000 | Clivina fossor |
| português | por-000 | Clivina fossor |
| slovenčina | slk-000 | Clivina fossor |
| español | spa-000 | Clivina fossor |
| ภาษาไทย | tha-000 | Clivina fossor |
| 普通话 | cmn-000 | clivina fossor |
| English | eng-000 | Clivinini’s canal |
| English | eng-000 | Clivio |
| Esperanto | epo-000 | Clivio |
| français | fra-000 | Clivio |
| italiano | ita-000 | Clivio |
| napulitano | nap-000 | Clivio |
| Nederlands | nld-000 | Clivio |
| polski | pol-000 | Clivio |
| português | por-000 | Clivio |
| Volapük | vol-000 | Clivio |
| English | eng-000 | Clivio Piccione |
| português | por-000 | Clivio Piccione |
| español | spa-000 | Clivio Piccione |
| italiano | ita-000 | clivo |
| latine | lat-000 | clivosa |
| slovenčina | slk-000 | clivosť |
| latine | lat-000 | clivosum |
| latine | lat-000 | clivosus |
| English | eng-000 | clivus |
| français | fra-000 | clivus |
| latine | lat-000 | clivus |
| latine | lat-000 | clīvus |
| English | eng-000 | clivvy |
| slovenčina | slk-000 | clivý |
| yn Ghaelg | glv-000 | cliwe |
| yn Ghaelg | glv-000 | cliweagh |
| yn Ghaelg | glv-000 | cliweaght |
| yn Ghaelg | glv-000 | cliwe cam |
| yn Ghaelg | glv-000 | cliwe-chlabberey |
| yn Ghaelg | glv-000 | cliwe crammanagh |
| yn Ghaelg | glv-000 | cliwe daa laue |
| yn Ghaelg | glv-000 | cliweder |
| yn Ghaelg | glv-000 | cliwederaght |
| yn Ghaelg | glv-000 | cliwederys |
| yn Ghaelg | glv-000 | cliwedeyr |
| yn Ghaelg | glv-000 | cliwe ghrommey |
| yn Ghaelg | glv-000 | cliwe-gunney |
| yn Ghaelg | glv-000 | cliwe keyl |
| yn Ghaelg | glv-000 | cliwe-lommyrt |
| yn Ghaelg | glv-000 | cliwe lommyrtagh |
| yn Ghaelg | glv-000 | cliwe markee |
| yn Ghaelg | glv-000 | cliwe marrey |
| yn Ghaelg | glv-000 | cliwe mooar |
| Englisce sprǣc | ang-000 | cliwen |
| yn Ghaelg | glv-000 | cliwenys |
| English | eng-000 | CLIX |
| English | eng-000 | Clix |
| português | por-000 | Clix |
| filename extensions | art-335 | clix |
| TechTarget file types | art-336 | CLIX-CLIX-Command-File |
| English | eng-000 | CLIX Command File |
| Lingua Franca Nova | lfn-000 | clixe |
| asturianu | ast-000 | clixé |
| català | cat-000 | clixé |
| langue picarde | pcd-000 | cliyantèle |
| italiano | ita-000 | Clizia |
| italiano | ita-000 | clizia |
| български | bul-000 | CLI интерфейс |
| English | eng-000 | C.L.J. |
| ISO 639-3 | art-001 | clj |
| filename extensions | art-335 | clj |
| ISO 639-PanLex | art-274 | clj-000 |
| limba armãneascã | rup-000 | cljae |
| limba armãneascã | rup-000 | cljag |
| limba armãneascã | rup-000 | cljai |
| limba armãneascã | rup-000 | cljaie |
| limba armãneascã | rup-000 | cljao |
| TechTarget file types | art-336 | CLJ-Clojure-Source-Code-Rich-Hickey-Open-Source-Project-Sponsor |
| limba armãneascã | rup-000 | cljeai |
| limba armãneascã | rup-000 | cljem |
| English | eng-000 | CLK |
| ISO 639-3 | art-001 | clk |
| filename extensions | art-335 | clk |
| ISO 639-PanLex | art-274 | clk-000 |
| ISO 639-PanLex | art-274 | clk-001 |
| TechTarget file types | art-336 | CLK-ClickFORMS-Data-Bradford-Technologies-Inc |
| TechTarget file types | art-336 | CLK-ClickFORMS-data-Header |
| TechTarget file types | art-336 | CLK-Corel-R-A-V-E-Animation-File |
| TechTarget file types | art-336 | CLK-Corel-R-A-V-E-Animation-Header |
| English | eng-000 | CLKG |
| English | eng-000 | clkg |
| Bangi | bni-000 | clkinya |
| filename extensions | art-335 | clkk |
| TechTarget file types | art-336 | CLKK-Clicker-Keyboard |
| TechTarget file types | art-336 | CLKK-Clicker-Keyboard-Crick-Software-Ltd |
| Afrikaans | afr-000 | cl-knoppie |
| filename extensions | art-335 | clkt |
| Nuxálk | blc-000 | c̷ˀlkt |
| TechTarget file types | art-336 | CLKT-Clicker-Template |
| TechTarget file types | art-336 | CLKT-Clicker-Template-Crick-Software-Ltd |
| filename extensions | art-335 | clkw |
| English | eng-000 | clkw |
| TechTarget file types | art-336 | CLK-WatchGuard-cloaked-file-Header |
| TechTarget file types | art-336 | CLK-WatchGuard-Cloaked-File-WatchGuard-Technologies-Inc |
| TechTarget file types | art-336 | CLKW-Clicker-Word-Bank |
| TechTarget file types | art-336 | CLKW-Clicker-Word-Bank-Crick-Software-Ltd |
| filename extensions | art-335 | clkx |
| TechTarget file types | art-336 | CLKX-Clicker-Grid-Set-Crick-Software-Ltd |
| TechTarget file types | art-336 | CLKX-Crick-Software-Clicker-File-Header |
| filename extensions | art-335 | clkz |
| TechTarget file types | art-336 | CLKZ-Date-Preferences |
| English | eng-000 | CLL |
| italiano | ita-000 | CLL |
| polski | pol-000 | CLL |
| ISO 639-3 | art-001 | cll |
| filename extensions | art-335 | cll |
| ISO 639-PanLex | art-274 | cll-000 |
| lenga arpitana | frp-000 | cllâf |
| lenga arpitana | frp-000 | cllançhiér |
| English | eng-000 | cl la november |
| lenga arpitana | frp-000 | cllâr |
| lenga arpitana | frp-000 | Cllârmont-Fèrrand |
| lenga arpitana | frp-000 | cllartât |
| lenga arpitana | frp-000 | cllârveyent |
| English | eng-000 | Cl laser |
| lenga arpitana | frp-000 | cllat |
| TechTarget file types | art-336 | CLL-Cricket-Software-Clicker-File |
| English | eng-000 | C. L. Lehmus |
| suomi | fin-000 | C. L. Lehmus |
| lenga arpitana | frp-000 | cllére |
| lenga arpitana | frp-000 | Cllêziœx |
| ISO 3166-2 | art-416 | CL-LI |
| English | eng-000 | cllipsoidal harmonics |
| ISO 3166-2 | art-416 | CL-LL |
| lenga arpitana | frp-000 | clloçhe |
| lenga arpitana | frp-000 | clloçhiér |
| lenga arpitana | frp-000 | cllossa |
| lenga arpitana | frp-000 | cllossiér |
| lenga arpitana | frp-000 | cllou |
| lenga arpitana | frp-000 | clloutrar |
| English | eng-000 | C. Lloyd Morgan |
| ISO 3166-2 | art-416 | CL-LR |
| santostefanese | ita-002 | c’lluch’ra |
| lenga arpitana | frp-000 | cllue |
| santostefanese | ita-002 | c’llùzz’ |
| santostefanese | ita-002 | c’ll’zzìtt’ |
| English | eng-000 | CLM |
| français | fra-000 | CLM |
| español | spa-000 | CLM |
| ISO 639-3 | art-001 | clm |
| ISO 639 | art-005 | clm |
| filename extensions | art-335 | clm |
| ISO 639-PanLex | art-274 | clm-000 |
| ISO 639-PanLex | art-274 | clm-001 |
| ISO 3166-2 | art-416 | CL-MA |
| TechTarget file types | art-336 | CLM-GenePattern-CEL-Descriptor-File |
| English | eng-000 | CLmin |
| ISO 3166-2 | art-416 | CL-ML |
| TechTarget file types | art-336 | CLM-MagicJack-call-log |
| TechTarget file types | art-336 | CLM-Micrografx-Picture-Publisher-7-Macro |
| English | eng-000 | C. L. Moore |
| suomi | fin-000 | C. L. Moore |
| italiano | ita-000 | C. L. Moore |
| português | por-000 | C. L. Moore |
| filename extensions | art-335 | clmov |
| TechTarget file types | art-336 | CLMOV-Clan-Lord-Movie-Visiostone-Delta-Tao-Software |
| English | eng-000 | CLMPB |
| English | eng-000 | CLM table |
| Tsimshian | tsi-000 | c̷ˀlmʔmaʔa |
| English | eng-000 | CLN |
| filename extensions | art-335 | cln |
| slovenčina | slk-000 | čln |
| slovenčina | slk-000 | čľn |
| TechTarget file types | art-336 | CLN-Backup-Configuration-File |
| TechTarget file types | art-336 | CLN-CLT-file |
| English | eng-000 | CLN Convention |
| slovenčina | slk-000 | člnkovanie |
| slovenčina | slk-000 | člnkovka |
| slovenčina | slk-000 | člnkový |
| slovenčina | slk-000 | člnok |
| slovenčina | slk-000 | člnovka obyčajná |
| slovenčina | slk-000 | člnový |
| slovenčina | slk-000 | Člnozobcotvaré |
| slovenčina | slk-000 | člnozobec král’ovský |
| English | eng-000 | CLNP |
| English | eng-000 | CLNS |
| español | spa-000 | Clns |
| English | eng-000 | clnt |
| čeština | ces-000 | '' '' clo |
| Deutsch | deu-000 | C-Lo |
| català | cat-000 | CLO |
| English | eng-000 | CLO |
| occitan | oci-000 | CLO |
| español | spa-000 | CLO |
| English | eng-000 | CLo |
| čeština | ces-000 | Clo |
| tiếng Việt | vie-000 | c lô |
| தமிழ் | tam-000 | cL¥ò |
| ISO 639-3 | art-001 | clo |
| filename extensions | art-335 | clo |
| čeština | ces-000 | clo |
| hanácké | ces-002 | clo |
| Cymraeg | cym-000 | clo |
| English | eng-000 | clo |
| italiano | ita-000 | clo |
| Lingua Franca Nova | lfn-000 | clo |
| langue picarde | pcd-000 | clo |
| slovenčina | slk-000 | clo |
| español | spa-000 | clo |
| tiếng Việt | vie-000 | clo |
| Nourmaund | xno-000 | clo |
| Gàidhlig | gla-000 | clò |
| Gaeilge | gle-000 | cló |
| langue picarde | pcd-000 | clô |
| Goídelc | sga-000 | clō |