| Clausthaler | Clavdij Jadlovskij | Clavemeopedus |
| Clavenicodes | Claver (Surigao del Norte) | Claveras County (California) |
| Claveria (Cagayan) | Claveria (Misamis Oriental) | Clavia |
| Clavia Nord Electro | Claviceps purpurea | Clavicornaltica |
| Clavidesmus | Clavier (Liège) | Clavier, Liège |
| Clavierübung (Bach) | Claviger | Clavigerini |
| Clavigerodes | Clavigeropsis | Clavigesta purdeyi |
| Clavigesta purdyi | Clavilispinus | Clavinet |
| Clavipalpini | Clavipalpus | Clavisybra |
| Clavobrium | Clavomela | Clavomicrus |
| Clavoserixia | Clavs Pavels | Clawfinger |
| Clawson | Clawson (Michigan) | Clawson, Michigan |
| Clay (Alabama) | Clay Aiken | Clay Allison |
| Clay Allison (fiktiv person) | Clay Allison (revolvermann) | Clay Allison, fiktiv figur |
| Clay Allison, revolvermann | Clay Boswell kraftverk | Clay Boswell kullkraftverk |
| Clay C. Williams | Clay County | Clay County (Alabama) |
| Clay County (Arkansas) | Clay County (Florida) | Clay County (Georgia) |
| Clay County (Illinois) | Clay County (Indiana) | Clay County (Iowa) |
| Clay County (Kansas) | Clay County (Kentucky) | Clay County (Minnesota) |
| Clay County (Mississippi) | Clay County (Missouri) | Clay County (Nebraska) |
| Clay County (Nord-Carolina) | Clay County (Sør-Dakota) | Clay County (Tennessee) |
| Clay County (Texas) | Clay County (Vest-Virginia) | Clay County i Alabama |
| Clay County i Arkansas | Clay County i Florida | Clay County i Georgia |
| Clay County i Illinois | Clay County i Indiana | Clay County i Iowa |
| Clay County i Kansas | Clay County i Kentucky | Clay County i Minnesota |
| Clay County i Mississippi | Clay County i Missouri | Clay County i Nebraska |
| Clay County i Nord-Carolina | Clay County i Sør-Dakota | Clay County i Tennessee |
| Clay County i Texas | Clay County i Vest-Virginia | Clay County, Alabama |
| Clay County, Minnesota | Clay County, Texas | Clay Dollars |
| Clay Guida | Clay Hill | Clay Hill (London) |
| Clay Ives | Clay Pigeons | Clay Shaw |
| Clay Stanley | Claye-Souilly | Clayeures |
| Clayhall | Clayhatchee (Alabama) | Claylick (Ohio) |
| Clayman | Claymore | Claysville (Indiana) |
| Clayton | Clayton (andre betydninger) | Clayton (Nord-Carolina) |
| Clayton Blackmore | Clayton County | Clayton County (Georgia) |
| Clayton County (Iowa) | Clayton County i Georgia | Clayton County i Iowa |
| Clayton Fredericks | Clayton J. Brukner | Clayton K. Yeutter |
| Clayton Laurent | Clayton Lewis | Clayton M. Christensen |
| Clayton M. Christensen (død 23. januar 2020) | Clayton M. Christensen (født 6. april 1952) | Clayton Murphy |
| Clayton Stanley | Clayton State University | Clayton Wilbury |
| Clayton Zane | Clayton, Dubilier & Rice | Clayton, Dubilier, and Rice |
| Clayton, Nord-Carolina | Claytus Taqimama | Clásica de Almería |
| Clásica de Almería 2020 | Clásica de Almería 2022 | Clásica de Almería 2023 |
| Clásica de San Sebastián | Clásica de San Sebastián 2007 | Clásica de San Sebastián 2008 |
| Clásica de San Sebastián 2009 | Clásica de San Sebastián 2010 | Clásica de San Sebastián 2011 |
| Clásica de San Sebastián 2012 | Clásica de San Sebastián 2013 | Clásica de San Sebastián 2014 |
| Clásica de San Sebastián 2015 | Clásica de San Sebastián 2016 | Clásica de San Sebastián 2017 |
| Clásica de San Sebastián 2018 | Clásica de San Sebastián 2019 | Clásica de San Sebastián 2021 |
| Clásica de San Sebastián 2022 | Clásica de San Sebastián 2023 | Clásica Primavera |
| Clásica San Sebastián | Clásica San Sebastián 2008 | Cláudia |
| Cláudia das Neves | Cláudia Neto | Cláudia Teles |
| Cláudio | Cláudio Aury Affonso Hummes | Cláudio Braga |
| Cláudio Caçapa | Cláudio Hummes | Cláudio Hummes (født 8. august 1934) |
| Cláudio Luiz Rodrigues Parise Leonel | Cláudio Rafael Soares Braga | Cláudio Taffarel |
| Cléber | Cléber Eduardo Arado | Clélia Rard-Reuse |
| Clélia Reuse | Clélie, histoire romaine | Clémence av Anjou |
| Clémence Beikes | Clémence Calvin | Clémence Grimal |
| Clémence Michallon | Clémence Poésy | Clémence Royer |
| Clémence Royer (død 6. februar 1902) | Clémence Royer (født 21. april 1830) | Clément Ader |
| Clément Ader (død 5. mars 1926) | Clément Ader (født 2. april 1841) | Clément Armand Fallières |
| Clément Berthet | Clément Bessaguet | Clément Champoussin |
| Clément de La Rovère | Clément Diop | Clément Dupont |
| Clément Grenier | Clément Guillon | Clément Lefert |
| Clément Lenglet | Clément Marot | Clément Marot (død 12. september 1544) |
| Clément Michelin | Clément Mignon | Clément Mouamba |
| Clément Nicolas Laurent Lenglet | Clément Noël | Clément Parisse |
| Clément Philibert | Clément Philibert Léo Delibes | Clément Rodier |
| Clément Turpin | Clément Van Der Straten | Clément Villecourt |
| Clément-Émile Roques | Clément-Emile Roques | Clémery |
| Clémont | Cléopatre Darleux | Cléopâtre |
| Cléopâtre Darleux | Clérey-sur-Brenon | Clóvis Frainer |
| Clea DuVall | Clea Koff | Clean |
| Clean (album) | Clean air delivery rate | Clean Sky |
| Clean Sky JU | Cleanth Brooks | Clear |
| Clear Channel | Clear Channel Communications | Clear Creek County |
| Clear Creek County (Colorado) | Clear Island | Clear Lake Cogen gasskraftverk |
| Clear Lake gasskraftverk | Clear Spot | Clear Spring (Indiana) |
| Clearance | Clearfield | Clearfield (Utah) |
| Clearfield County | Clearfield, Utah | ClearOS |
| Clearpass Records | Clearwater | Clearwater (Florida) |
| Clearwater County | Clearwater County (Idaho) | Clearwater County (Minnesota) |
| Clearwater County i Idaho | Clearwater County i Minnesota | Clearwater County, Idaho |
| Clearwater County, Minnesota | Clearwater, Florida | Cleary Flood kraftverk |
| Cleary Flood oljekraftverk | Cleat | Cleaver propell |
| Cleaverpropell | Cleburne | Cleburne (Texas) |
| Cleburne County | Cleburne County (Alabama) | Cleburne County (Arkansas) |
| Cleburne County i Alabama | Cleburne County i Arkansas | Cleburne County, Alabama |
| Cleburne, Texas | Cleckheaton | Clefable |
| Clefairy | Cleffa | Cleft-piercing |
| Cleidaria | Cleidecosta | Cleistimum |
| Cleite | Cleithracara | Cleithracara maronii |
| Cleiton Abrão | Cleland | Clelia Tini |
| Clem Daniels | Clema | Clemence Calvin |
| Clemence Poesy | Clemency | Clemens 6 |
| Clemens Aigner | Clemens Arnold | Clemens August av Bayern |
| Clemens August Droste zu Vischering | Clemens August Graf von Galen | Clemens August von Galen |
| Clemens August von Galen (død 22. mars 1946) | Clemens August von Galen (født 16. mars 1878) | Clemens av Sardes |
| Clemens Baeumker | Clemens Baeumker (død 7. oktober 1924) | Clemens Baeumker (født 16. september 1853) |
| Clemens Bonifacius | Clemens Bracher | Clemens Brentano |
