| Club Unión Central | Club Unión Central |
| Club Villa Mitre | Club Villa Mitre |
| Club Xelajú MC | Club Xelajú Mario Camposeco |
| Clube Atlético Mineiro | Clube Atlético Mineiro |
| Clube Atlético Paranaense | Clube Atlético Paranaense |
| Clube de Regatas Brasil | Clube de Regatas Brasil |
| Clube de Regatas do Flamengo | Clube de Regatas do Flamengo |
| Clube Náutico Capibaribe | Clube Náutico Capibaribe |
| clubfoot | pie deforme |
| clubfooted | con el pie deforme |
| clubhouse | club |
| Clubhouses | El apartamento |
| ClubJenna | ClubJenna |
| clubs | bastos |
| cluck | cacarear |
| clucking | cacareo |
| clue | indicación |
| Cluedo | Clue |
| Clugin | Clugin |
| Cluj | Cluj |
| Cluj County | Cluj |
| Cluj-Napoca | Cluj-Napoca |
| Cluj-Napoca Botanical Garden | Jardín Botánico de Cluj-Napoca |
| clump | terrón |
| clumsiness | torpeza |
| clumsy | desgraciado |
| clumsy person | torpe |
| Cluniac Order | Orden de Cluny |
| Cluniac Reforms | Orden de Cluny |
| Cluny | Cluny |
| Cluny Abbey | Abadía de Cluny |
| Clupeidae | Clupeidae |
| Clupeiformes | Clupeiformes |
| Clurichaun | Clurichaun |
| Clusiaceae | Clusiaceae |
| cluster | aglomerar |
| cluster bomb | bomba de racimo |
| Cluster chemistry | Cluster |
| Cluster mission | Misión Cluster |
| Cluster of differentiation | Cúmulo de diferenciación |
| Cluster of galaxies | Agrupaciones galácticas |
| Cluster parallax | Paralaje de agrupación |
| Cluster point | Punto de acumulación |
| Cluster rotation | Rotación de cúmulo |
| Cluster type variable star | Estrella variable de cúmulo |
| clustered | en racimo |
| clustering | grupo |
| Clusters of galaxies | Agrupaciones galácticas |
| clutch | asir |
| clutch at | agarrar |
| clutch bag | bolso de mano |
| Clutha River | Río Clutha |
| clutter | lío |
| clutter up | embrollar |
| cluttered | repleto |
| Clyde | Río Clyde |
| Clyde Donovan | Río Clyde |
| Clyde Tombaugh | Clyde Tombaugh |
| Clymene | Clímene |
| Clytemnestra | Clitemnestra |
| Clytie | Clitia |
| Clàrsach | Arpa celta |
| Clásica de San Sebastián | Clásica de San Sebastián |
| Clásico de Avellaneda | Clásico de Avellaneda |
| Cláudio Ibrahim Vaz Leal | Branco |
| Cláudio Santoro | Cláudio Santoro |
| Cláudio Taffarel | Cláudio Taffarel |
