| Clifford Bourland | Clifford Brown | Clifford Brown (død 26. juni 1956) |
| Clifford Brown (født 30. oktober 1930) | Clifford Chance | Clifford Crowley |
| Clifford D. Simak | Clifford Darling | Clifford Dupont |
| Clifford G. Shull | Clifford Geertz | Clifford Glenwood Shull |
| Clifford Gray | Clifford Grey | Clifford Harrison |
| Clifford Husbands | Clifford J. King | Clifford Lee Burton |
| Clifford Mamba | Clifford Pier | Clifford Shull |
| Clifford Stein | Clifford's Tower | Cliffs of Moher |
| Cliffside kraftverk | Cliffside kullkraftverk | Cliffside Park |
| Cliffside Park (New Jersey) | Cliffside Park, New Jersey | Clifton |
| Clifton (Arizona) | Clifton (Bristol) | Clifton (New Jersey) |
| Clifton (Texas) | Clifton Cushman | Clifton James |
| Clifton R. Wharton | Clifton Reynes | Clifton Sunada |
| Clifton Webb | Clifton Webb (død 13. oktober 1966) | Clifton Webb (født 19. november 1889) |
| Clifton Wrottesley | Clifton, Bristol | Clifton, New Jersey |
| Clifton, Texas | Clifton-upon-Dunsmore | Cliftone |
| Cliftonhill Stadium | Cliftonville F.C. | Cliftonville FC |
| Clifty Creek kraftverk | Cligès | CLIL |
| Clilopocha | CLIMAF | Climat |
| Climate Change: Global Risks, Challenges and Decisions | Climate Conference 08: Technology and Finance in Climate Cooperation | Climategate |
| Climax | Climax (1954) | Climax (bille) |
| Climax (prøvesprengning) | Climax (sprengning) | Climax Brighton |
| Climax Studios | Climax! | Climb Ev'ry Mountain |
| Climb Ev’ry Mountain | Climbing Plants | Climbing plants |
| Climeworks | CLIMIT-programmet | Clinch (elv) |
| Clinch County | Clinch County (Georgia) | Clinch River kraftverk |
| Clinch River kullkraftverk | Clingmans Dome | Clinidium |
| Clink | Clinocarinispa | Clinocarispa |
| Clinopodium acinos | Clinops | Clint Bowyer |
| Clint Dempsey | Clint Eastwood | Clint Eastwood (født 31. mai 1930) |
| Clint Jones | Clint Lowery | Clint Mansell |
| Clinteria | Clinterocera | Clinteroides |
| Clinton | Clinton (Iowa) | Clinton (Mississippi) |
| Clinton (New York) | Clinton (Oneida County) | Clinton (Oneida County, New York) |
| Clinton (Utah) | Clinton Anderson | Clinton Avery |
| Clinton Charter Township | Clinton Charter Township (Michigan) | Clinton Charter Township, Michigan |
| Clinton County | Clinton County (Illinois) | Clinton County (Indiana) |
| Clinton County (Iowa) | Clinton County (Kentucky) | Clinton County (Michigan) |
| Clinton County (Missouri) | Clinton County (New York) | Clinton County (Ohio) |
| Clinton County (Pennsylvania) | Clinton County i Illinois | Clinton County i Indiana |
| Clinton County i Iowa | Clinton County i Kentucky | Clinton County i Michigan |
| Clinton County i Missouri | Clinton County i New York | Clinton County i Ohio |
| Clinton County i Pennsylvania | Clinton County, Michigan | Clinton Davisson |
| Clinton Dempsey | Clinton Foundation | Clinton fylke |
| Clinton fylke (New York) | Clinton Hill | Clinton Hill (friidrettsutøver) |
| Clinton Jones | Clinton Joseph Davisson | Clinton kjernekraftverk |
| Clinton Kvakk | Clinton Moore | Clinton Morrison |
| Clinton mot Jones | Clinton N'Jie | Clinton nasjonale lufthavn |
| Clinton N’Jie | Clinton P. Anderson | Clinton Panther |
| Clinton Robert Avery | Clinton Romesha | Clinton Township i Macomb County (Michigan) |
| Clinton Township, Macomb County, Michigan | Clinton v. Jones | Clinton, Hillary |
| Clinton, Hillary Rodham | Clinton, Iowa | Clinton, Mississippi |
| Clinton, Utah | Clinton-administrasjonen | Clinton-regjeringen |
| Clio | Clio (Alabama) | Clio, Alabama |
| Clio-Danae Othoneou | Clioprisen | Cliopriset |
| Clip | Clipper | Clipperton |
| Clipperton Island | Clippertonøya | Clipse |
| Clisham | Clisithera | CLISP |
| Clistogastra | Clitea | Clitellata |
| Clitena | Clitenella | Clitenososia |
| Clitheroe | Clithria | Clito |
| Clitopa | Clitoral | Clitoris |
| Clitostylini | Clitunno | Clive Adams |
| Clive Allen | Clive av India | Clive Barker |
| Clive Barker's Jericho | Clive Barker’s Jericho | Clive Barkers Jericho |
| Clive Barton | Clive Brook | Clive Bunker |
| Clive Burr | Clive Cussler | Clive Cussler (død 24. februar 2020) |
| Clive Cussler (født 15. juli 1931) | Clive Exton | Clive Granger |
| Clive Hornby | Clive Lewis | Clive Longe |
| Clive Owen | Clive Owen (født 3. oktober 1964) | Clive Pullen |
| Clive Rushton | Clive Staples Lewis | Clive Swift |
| Clive W. J. Granger | Clive W.J. Granger | Clive William John Granger |
| Cliveden Set | Cliveden-klikken | Clivina |
| Clivina aeneus | Clivina angustatus | Clivina fossor |
| Clivina nitidus | Clivina obscurus | Clivina politus |
| Clivina thoracicus | Clivinarchus | Clivinopsis |
| Cliza | CLMD | Cloaca (Capri) |
| Cloaca Maxima | Cloaca maxima | Cloak & Dagger |
| Cloé Hache | Cloêon dipterum | Cloêon inscriptum |
| Cloêon simile | Clockwise | Clockwise - kappløp med tiden |
| Clockwise – kappløp med tiden | Clodagh Rodgers | Clodia |
| Clodio | Clodius Albinus | Clodius Albinus (død 19. februar 197) |
| Clodius Albinus (født 25. november 148) | Clodiusbakken | Clodoaldo |
| Clodomer | Clodovil Hernandes | Clody Bertola |
| Cloeon dipterum | Cloeon inscriptum | Cloeon simile |
| Cloeotus | Cloetta | Cloetta Center |
| Cloghernagh | Cloisoninisme | Clojure |
| Clomecyra | Clomifen | Clon |
| Clonakilty | Clonard (Meath) | Clonard abbedi |
| Clone Troopers | Clone Wars | Clone wars |
| Clonfert abbedi | Clonfert Abbey | Cloniocerini |
| Cloniophorus | Clonmacnoise | Clonmacnoise-krøniken |
| Clonmel | Clontarf | Clopeham |
| Cloquet-brannen 1918 | Cloquet-brannen 1918 (fra 12. oktober) | Cloris Leachman |
| Cloroform | Clos Lucé | Close |
| Close (film) | Close (systemkall) | Close Encounters of the Third Kind |
| Close Erase | Close harmony | Close Harmony |
| Close Harmony (1929) | Close harmony (andre betydninger) | Close In Weapon System |
| Close to Home | Close to the Edge | Close to the Edge (sang) |
| Close to You | Close to you | Close Up |
