| Claria Corporation | Clariant | Clarias |
| Clarias anguillaris | Clarias batrachus | Clarias gariepinus |
| Clarice Benini | Clarice Lispector | Clariidae |
| Clarin | Clarine Seymour | Clarion |
| Clarion (язык программирования) | Clarion (компания) | Clarion Co., Ltd. |
| Clarion County, Pennsylvania | Claris verbis | Clarisse Agbegnenou |
| Clarisse Machanguana | Clarissimi | Clarissimus |
| Clarithromycin | Clarity | Clarity (альбом) |
| Clarity (песня) | Clarity Live | Clarivate Analytics |
| Clarivate Citation Laureates | Clarizen | Clark |
| Clark Art Institute | Clark County, Arkansas | Clark County, Idaho |
| Clark County, Illinois | Clark County, Indiana | Clark County, Kansas |
| Clark County, Missouri | Clark County, Ohio | Clark County, Washington |
| Clark County, Wisconsin | Clark Gable | Clark Johnson |
| Clark Kellogg | Clark Little | Clark Material Handling Company |
| Clark Robertson | Clark Street (IRT Broadway – Seventh Avenue Line) | Clark Tower |
| Clarkdale | Clarke Abel | Clarke County, Alabama |
| Clarke County, Georgia | Clarke County, Iowa | Clarke County, Mississippi |
| Clarke County, Virginia | Clarkeia durrelli | Clarkia |
| Clarkia elegans | Clarkia unguiculata | Clarks |
| Clarksburg, West Virginia | Clarksville, Tennessee | Claro Open Colombia |
| Claro Open Colombia 2013 | Claro Open Colombia 2014 | Claro Open Colombia 2015 |
| Claro Open Colsanitas | Claro Open Colsanitas 2014 | Claro Open Colsanitas 2015 |
| Claro Open Colsanitas 2018 | Clash | Clash (magazine) |
| Clash (журнал) | Clash of Clans | Clash Of Clans |
| Clash of Lords 2 | Clash Royale | ClashMusic.com |
| Class 165 | Class 166 | Class of Beverly Hills |
| Class of Nuke 'Em High | Class of Nuke 'Em High 2: Subhumanoid Meltdown | Class Zenin Maji de Yuri?! |
| Classic Albums - Nirvana - Nevermind | Classic Albums: Nirvana – Nevermind | Classic Albums: Pink Floyd – The Making of The Dark Side of the Moon |
| Classic Carpenters | Classic Cash: Hall of Fame Series | Classic Christmas |
| Classic Controller | Classic Fantastic | Classic fond |
| Classic Fond | Classic Masters | Classic pop |
| Classic pop music | Classic Queen | Classic Queen (видео) |
| Classic rock | Classic Rock | Classic Rock (magazine) |
| Classic Rock (журнал) | Classic Rock Awards | Classic Shell |
| Classical | Classical and Quantum Gravity | Classical Barbra |
| Classical BRIT Awards | Classical crossover | Classical Crossover |
| Classical Crossover (музыка) | Classical Mushroom | Classical pop |
| Classical pop music | Classics | Classics (альбом) |
| Classics Illustrated | Classiculaceae | Classiculales |
| Classiculomycetes | Classicus scriptor | Classicus testis |
| Classified | Classmate PC | Classmate pc |
| Classon Avenue (IND Crosstown Line) | Clastopteridae | Clathrinida |
| Clathrus archeri | Clathrus columnatus | Clathrus ruber |
| Clatsop County, Oregon | Claude Abbes | Claude Antoine Jean George Napoléon Coste |
| Claude Berri | Claude Buckenham | Claude Debussy |
| Claude Elwood Shannon | Claude François | Claude Gensac |
| Claude Hugot | Claude Jade | Claude Jameson |
| Claude Joséphine Rose Cardinale | Claude Joseph Rouget de Lisle | Claude Kelly |
| Claude Léon André Hugot | Claude Le Jeune | Claude Le Roy |
| Claude Lelouch | Claude Lemoine | Claude M. Steiner |
| Claude Makelele | Claude Papi | Claude Percival Buckenham |
| Claude Puel | Claude Russell Bridges | Claude Schnell |
| Claude Stanley Jameson | Claude Steiner | Claude Terry |
| Claude Vasori | Claude Villaret | Claude-Bénigne Balbastre |
| Claude-Benigne Balbastre | Claude-Emmanuel-Joseph-Pierre de Pastoret | Claude-Marius Vaïsse |
| Claudemir de Souza | Claudia Christian | Claudia Colacione |
| Claudia Jamesson | Claudia Koll | Claudia Leitte |
| Claudia Marcella | Claudia Maria Presăcan | Claudia Renate Belderbos |
| Claudia Salman | Claudia Schiffer | Claudiano Bezerra da Silva |
| Claudie Fritsch-Mentrop | Claudiella | Claudiella ingens |
| Claudii | Claudii Marcelli | Claudin de Sermisy |
| Claudine Alexandrine Guérin de Tencin | Claudio Baglioni | Claudio Bieler |
| Claudio Borghi | Claudio Brook Marnat | Claudio Caniggia |
| Claudio García | Claudio Giovanni Antonio Monteverdi | Claudio Graf |
| Claudio Husaín | Claudio Javier López | Claudio José Vicente Antolínez |
| Claudio Magris | Claudio Merulo | Claudio Monteverdi |
| Claudio Morel Rodríguez | Claudio Reyna | Claudio Suárez |
| Claudio Villa | Claudio Yacob | Claudite jam rivos, sat prata biberunt |
| Claudius | Claudius angustatus | Claudius Marcellus |
| Claudopus nidulans | Claus | Claus Fritzsche |
| Claus Josef Riedel | Clausaria | Clausena |
| Clausena lansium | Clausenia | Clausenia hofferi |
| Clauser | Clausewitz | Clausia |
| Clausia aprica | Clausilia | Clausula rebus sic stantibus |
| Clavaria coralloides | Clavaria cristata | Clavaria flava |
| Clavaria pruinella | Clavaria purpurea | Clavaria stricta |
| Clavaria syringarum | Clavaria zollingeri | Clavariaceae |
| Clavariadelphus fistulosus | Clavariadelphus ligula | Clavariadelphus pistillaris |
| Clavariadelphus truncatus | Clavariella stricta | Claveliocnemis |
| Clavellisa cordata | Clavia | Claviceps |
| Clavicorona pyxidata | Clavicula | Claviger |
| Claviger testaceus | Clavinodum | Clavinova |
| Clavis | Clavis Patrum Graecorum | Clavula comosa |
| Clavulina | Clavulina amethystina | Clavulina cinerea |
| Clavulina coralloides | Clavulina cristata | Clavulina rugosa |
| Clavulinaceae | Clavulinopsis | Claw |
| Claw (игра) | Clawfinger | Claws Mail |
| Claws of a Beast | Clay Aiken | Clay animation |
| Clay County, Alabama | Clay County, Arkansas | Clay County, Florida |
| Clay County, Georgia | Clay County, Illinois | Clay County, Iowa |
| Clay County, Kansas | Clay County, Minnesota | Clay County, Mississippi |
| Clay County, Missouri | Clay County, Nebraska | Clay County, North Carolina |
| Clay County, Tennessee | Clay County, Texas | Clay County, West Virginia |
| Clay Fighter | Clay Mathematics Institute | Claybeg |
| ClayFighter | Clayman | Claymore |
| Claymore (аниме) | Claymore (манга) | Clayton Blackmore |
| Clayton County, Georgia | Clayton County, Iowa | Clayton Edward Kershaw |
| Clayton Elias Parros | Clayton Kershaw | Clayton Murphy |
| Clayton Wilbur Buck | Clayton Zane | Claytonia |
