| Clarkcoma | Clarkcoma bollonsi | Clarkcoma canaliculata |
| Clarkcoma pulchra | Clarke | Clarke (auktor) |
| Clarke Abel | Clarke Boland Big Band | Clarke County |
| Clarke County, Alabama | Clarke County, Georgia | Clarke County, Iowa |
| Clarke County, Mississippi | Clarke County, Virginia | Clarke Glacier |
| Clarke Glacier (berg) | Clarke Glacier (glaciär i Antarktis, lat -68,83, long -66,72) | Clarke Glacier (glaciär i Antarktis, lat -75,40, long 162,08) |
| Clarke Island | Clarke Island (ö i Australien, Tasmanien) | Clarke Island (ö i Kanada, Nunavut) |
| Clarke Island, Nunavut | Clarke MacArthur | Clarke Peters |
| Clarke Range | Clarke Scholes | Clarke Sound |
| Clarke's River | Clarke's three laws | Clarke, Alexander Ross |
| Clarke, Alured | Clarke, Arthur C. | Clarke, Bobby |
| Clarke, Cam | Clarke, Charles | Clarke, Christopher |
| Clarke, Dan | Clarke, Darren | Clarke, Davian |
| Clarke, Eddie | Clarke, Edward Daniel | Clarke, Gilby |
| Clarke, Jack | Clarke, James Paul | Clarke, Jeremiah |
| Clarke, John Hopkins | Clarke, Kenneth | Clarke, Kenny |
| Clarke, Lenny | Clarke, Leon | Clarke, Lerone |
| Clarke, Melinda | Clarke, Michael | Clarke, Mount |
| Clarke, Mount (berg i Antarktis, lat -68,12, long 55,46) | Clarke, Mount (berg i Antarktis, lat -85,08, long 172,30) | Clarke, Ron |
| Clarke, Roy | Clarke, Sarah | Clarke, Stanley |
| Clarke, Susanna | Clarke, Thomas | Clarke, Tom |
| Clarke, Tony | Clarke, Vince | Clarke, Warren |
| Clarke, Yvette | Clarke-Lewis, Eldece | Clarke-Mordaunt-Guthrie |
| Clarkeasia | Clarkeasia parviflora | Clarke’s River |
| Clarkefield | Clarkeia | Clarkeia sabulalis |
| Clarkeifedia monandra | Clarkeinda | Clarkeinda cellaris |
| Clarkeinda gennadii | Clarkeinda pedilia | Clarkeinda pequinii |
| Clarkeinda rubriceps | Clarkeinda trachodes | Clarkella |
| Clarkella nana | Clarkella nana var. siamensis | Clarkella siamensis |
| Clarkemedaljen | Clarkenia | Clarkenia lacertana |
| Clarkes lagar | Clarkes tre lagar | Clarkesville |
| Clarkesville, Georgia | Clarkeulia | Clarkeulia aerumnosa |
| Clarkfield Station | Clarkia | Clarkia affinis |
| Clarkia amoena | Clarkia arcuata | Clarkia biloba |
| Clarkia borealis | Clarkia bottae | Clarkia breweri |
| Clarkia concinna | Clarkia cylindrica | Clarkia davyi |
| Clarkia deflexa | Clarkia delicata | Clarkia dudleyana |
| Clarkia elegans | Clarkia epilobioides | Clarkia exilis |
| Clarkia franciscana | Clarkia gauroides | Clarkia gracilis |
| Clarkia heterandra | Clarkia imbricata | Clarkia jolonensis |
| Clarkia lassenensis | Clarkia lewisii | Clarkia lingulata |
| Clarkia mildrediae | Clarkia modesta | Clarkia mosquinii |
| Clarkia mosquinii subsp. xerophila | Clarkia prostrata | Clarkia pulchella |
| Clarkia pulcherrima | Clarkia purpurea | Clarkia rhomboidea |
| Clarkia rostrata | Clarkia rubicunda | Clarkia rubicunda subsp. blasdalei |
| Clarkia similis | Clarkia speciosa | Clarkia springvillensis |
| Clarkia stellata | Clarkia tembloriensis | Clarkia tenella |
| Clarkia virgata | Clarkia williamsonii | Clarkia xantiana |
| Clarkichthyes bilineatus | Clarkichthys | Clarkichthys bilineatus |
| Clarkina caurina | Clarkinella | Clarkinella canadensis |
| Clarkinella edithae | Clarkior | Clarksburg |
| Clarksburg, Massachusetts | Clarksburg, West Virginia | Clarksdale |
| Clarksdale, Mississippi | Clarkson | Clarkson (auktor) |
| Clarkson (olika betydelser) | Clarkson (samhälle) | Clarkson (udde) |
| Clarkson College of Technology | Clarkson Frederick Stanfield | Clarkson Golden Knights |
| Clarkson Peak | Clarkson Stanfield | Clarkson University |
| Clarkson, David | Clarkson, Jeremy | Clarkson, Kelly |
| Clarkson, Kentucky | Clarkson, Lana | Clarkson, Nebraska |
| Clarkson, Patricia | Clarkson, Punta | Clarkson, Rolf |
| Clarkson, Thomas | Clarkston | Clarkston (ort i Storbritannien) |
| Clarkston, East Renfrewshire | Clarkston, Georgia | Clarkston, Washington |
| Clarkstown | Clarkstown, New York | Clarksville |
| Clarksville, Arkansas | Clarksville, Indiana | Clarksville, New Hampshire |
| Clarksville, Tennessee | Clarksville, Texas | Clarkton |
| Clarkton, Missouri | Clarkton, North Carolina | Clarkus |
| Clarkus papillatus | Clarkus propapillatus | Clarmont |
| Clarmont (bondby) | Clarmont (kommun) | Clarmont, Vaud |
| Claro | Claro (kommun) | Claro (ort) |
| Claro (udde) | Claro dos Poções | Claro Dos Pocoes |
| Claro, punta | Claro, Ticino | Claroides albopunctatus |
| Clarorivinia chrysantha | Clarorivinia grandifolia | Claroteidae |
| Clarotes | Clarotes bidorsalis | Clarotes heuglini |
| Clarotes heuglinii | Clarotes laticeps | Clarotes macrocephalus |
| Clarotes tarabinii | Clarques | Clarrie Hall Dam |
| Clarsach Glacier | Clarté | Clarté (tidskrift) |
| Clarte | Clary | Clary (namn) |
| Clary Hahr | Clary Jansson | Clary Morales |
| Clary, Julie | Clas | Clas (Eriksson) Fleming |
| Clas Adam Ehrengranat | Clas Adam Wachtmeister | Clas Alfrid Broman |
| Clas Alströmer | Clas Arvid Kurck | Clas August Lindbeck |
| Clas Östberg | Clas Åke Hedström | Clas Åkesson (Tott) |
| Clas Åkesson Tott | Clas Åkesson Tott d.ä. | Clas Åkesson Tott d.y. |
| Clas Åkesson Tott den yngre | Clas Bergström | Clas Bjerkander |
| Clas Blechert Trozelius | Clas Bonde | Clas Brede Bråthen |
| Clas Brorsson Rålamb | Clas Brunius | Clas Carl Gustaf Kurck |
| Clas Carl Hjalmar Bergström | Clas Ekeblad | Clas Eliander |
| Clas Engström | Clas Eriksson | Clas Eriksson Fleming |
| Clas Fleming | Clas Fredric Horn | Clas Fredrik Horn af Åminne |
| Clas Fredrik Horn af Åminne (1791-1865) | Clas Fredrik Hornstedt | Clas Frietzcky |
| Clas Göran Söllgård | Clas Georg Tempelman | Clas Groschinsky |
| Clas Groschinskys minnesfond | Clas Hansson Swant | Clas Herlin |
| Clas Herman Molander | Clas Herman von Collan | Clas Hermansson Fleming |
| Clas Jonas Theodor Odhner | Clas Kurck | Clas Larsson Fleming |
| Clas Lindbeck | Clas Lindberg | Clas Livijn |
| Clas Livijns brev från Dennewitz | Clas Nilsson Bielke | Clas Odhner |
| Clas Ohlson | Clas Ohlson (företagare) | Clas Ohlson AB |
| Clas Ohlsons framväxt | Clas Ohlsson AB | Clas Olsson |
| Clas på Hörnet | Clas Pehrsson | Clas Rålamb |
| Clas Robert Elias Fries | Clas Rosenberg | Clas Sjöberg |
| Clas Sparre | Clas Stiernsköld | Clas Svahn |
