Amin a pampanid
- Cladoceras
- Cladoceras subcapitatum
- Clara Zetkin
- Clarin
- Clarin, Bohol
- Clarin, Misamis Occidental
- Clark Gable
- Clarín
- Class (biology)
- Claude Simon
- Claudette Colbert
- Claver
- Claver, Surigao del Norte
- Claveria
- Claveria, Cagayan
- Claveria, Masbate
- Claveria, Misamis Oriental
- Clemente I
- Clemente II
- Clemente III
- Clemente IV
- Clemente IX
- Clemente V
- Clemente VI
- Clemente VII
- Clemente VIII
- Clemente X
- Clemente XI
- Clemente XII
- Clemente XIII
- Clemente XIV
- Clidemia
- Clidemia caudata
- Clidemia hirta
- Cliff Robertson
- Clifford Parker Robertson III
- Climate
- Clinton Davisson
- Clock
- Cloezia
- Clothing
- Cloud
- Coahuila
- Coccocypselum
- Cochlospermum
- Cochlospermum angolense
- Cochlospermum fraseri
- Cochlospermum gillivraei
- Cochlospermum regium
- Cochlospermum religiosum
- Cochlospermum vitifolium
- Coco Martin
- Cocorná
- Cocos (Keeling) Islands
- Coddia
- Coelospermum
- Coelospermum reticulatum
- Coffea
- Coffea abbayesii
- Coffea arabica
- Coffea benghalensis
- Coffea canephora
- Coffea charrieriana
- Coffea kapakata
- Coffea liberica
- Coffea magnistipula
- Coffea stenophylla
- Coffee
- Coffeeae
- Cogn.
- Coihaique
- Cold War
- Colegio de San Juan de Letran
- Colegio ti Estado iti Catanduanes
- Colima
- Colima, Colima
- Colima (Colima)
- Colin Andrew Firth
- Colin Firth
- Colletoecema
- Colletoecemateae
- Colo
- Colocasia esculenta
- Colombia
- Colonialism
- Color
- Color iti Gram
- Colorado
- Columbia, South Carolina
- Columbidae
- Columbio
- Columbio, Sultan Kudarat
- Columbus, Ohio
- Combretaceae
- Comet
- Comics
- Commelinids
- Common cold
- Commonwealth of Independent States
- Commonwealth of Nations
- Communication
- Communism
- Comoros
- Compostela
- Compostela, Cebu
- Compostela, Compostela Valley
- Compostela, Davao de Oro
- Compostela, Tanap ti Compostela
- Compostela Valley
- Computer
- Concepcion
- Concepcion, Chile
- Concepcion, Iloilo
- Concepcion, Misamis Occidental
- Concepcion, Romblon
- Concepcion, Tarlac
- Concepción
- Concepción, Antioquia
- Concepción, Chile
- Concord, New Hampshire
- Concordia
- Concordia, Antioquia
- Condaminea
- Condaminea elegans
- Condamineeae
- Confucianism
- Confucianismo
- Confucius
- Congo-Brazzaville
- Congo-Kinshasa
- Congo River
- Congreso iti Filipinas
- Congreso ti Filipinas
- Connecticut
- Conner, Apayao
- Conostomium
- Conrad Bain
- Conrad Moench
- Conservatism
- Consolacion
- Consolacion, Cebu
- Constantine the Great
- Constitusion
- Constitution
- Continent
- Cooperation Sea
- Coordinated Universal Time
- Copacabana, Antioquia
- Copenhagen
- Copiapó
- Copper
- Coprosma
- Coptosperma
- Copyright
- Coral Sea
- Corazon Aquino
- Corazon Cojuangco Aquino
- Corazón Aquino
- Corbin Bleu
- Corchorus
- Corchorus cunninghamii
- Corchorus erodioides
- Corchorus siliquosus
- Corchorus walcottii
- Corcuera
- Corcuera, Romblon
- Cordiera
- Cordiereae
- Cordillera Administrative Region
- Cordoba, Cebu
- Cordon
- Cordon, Isabela
- Cordova
- Cordova, Cebu
- Cordylostigma
- Core eudicots
- Corella
- Corella, Bohol
- Corn
- Cornelis Eliza Bertus Bremekamp
- Cornillon-Confoux
- Coron
- Coron, Palawan
- Coron (isla)
- Corregidor
- Corregidor Island
- Corte Madera, California
- Cortes
- Cortes, Bohol
- Cortes, Surigao del Sur
- Cory Aquino
- Corynanthe
- Corynanthera
- Corynanthera flava
- Cosmibuena
- Cosmocalyx
- Cosmonauts Sea
- Costa Ivoria
- Costa Rica
- Cotabato
- Cotabato (panangilawlawag)
- Cotabato (probinsia)
- Cotabato (provincia)
- Cotabato City
- Cotabato province
- Cote d'Ivoire
- Cotton
- Cotylelobium
- Cotylelobium burckii
- Cotylelobium lanceolatum
- Cotylelobium melanoxylon
- Coudoux
- Coussarea
- Coussareeae
- Coutaportla
- Coutarea
- Cow
- Coyhaique
- Crash (pelikula ti 2004)
- Craterispermeae
- Craterispermum
- Cravo Norte
- Cremaspora
- Cremasporeae
- Cremocarpon
- Cricket
- Crinipes
- Crinipes longipes
- Cristianidad
- Cristianismo
- Cristo
- Cristobal Colon
- Croasia
- Croatia
- Croatian language
- Crossopterygeae
- Crossopteryx
- Cruciales
- Cruckshanksia
- Crusades
- Crusea
- Crux
- Crypteronia
- Crypteronia elegans
- Crypteroniaceae
- Cu (elemento)
- Cuartero
- Cuartero, Capiz
- Cuatro Islas
- Cuba
- Cubanola
- Cubanola domingensis
- Cucurbitaceae
- Cucurbitales
- Cucurbitoideae
- Cuenca
- Cuenca, Batangas
- Cuernavaca
- Cuernos de Negros
- Cuges-les-Pins
- Culaba
- Culaba, Biliran
- Culasi
- Culasi, Antique
- Culiacán
- Culiacán Rosales
- Culicidae
- Culion
- Culion, Palawan
- Cultural Revolution
- Culture
- Cupang
- Cupang North
- Cupang Proper
- Cupang West
- Cupheanthus
- Curaçao
- Curitiba
- Curitiba (mula)
- Curitiba prismatica
- Curlie
- Currency
- Current events
- Currimao
- Currimao, Ilocos Norte
- Curtopogon
- Cuyapo
- Cuyapo, Nueva Ecija
- Cuyo
- Cuyo, Palawan
- Cyanoneuron
- Cyanoneuroneae
- Cyathostemon
- Cyathostemon ambiguus
- Cyathostemon blackettii
- Cyathostemon divaricatus
- Cyathostemon gracilis
- Cyathostemon heterantherus
- Cyathostemon tenuifolius
- Cyathostemon verrucosus
- Cyd Charisse
- Cyperus papyrus
- Cyprus
- Cyrillic script
- Cyrtopogon (mula)
- Cyrus the Great
- Cystoathyrium
- Cystodiaceae
- Cystodium sorbifolium
- Cystopteridaceae
- Cystopteridoideae
- Cystopteris
- Czech
- Czech Republic
- Czech language
- Czeslaw Milosz
- Czesław Miłosz
- Cà Mau
- Cà Mau Airport
- Cáceres, Antioquia
- Célestin Alfred Cogniaux
- Cézembre nga
- Côte d'Ivoire
- D
- D'Urville Sea
- DMOZ
- DNA
- DSI (panangilasin)
- DST
- DSWD
- DVD
- DWNU
- DZMB
- Daan a Habanes
- Daan a Lubong
- Daan a Mon
- Daan a Pranses
- Daan nga Ehipto
- Daan nga Inggles
- Daan nga Ingles
- Daanbantayan
- Daanbantayan, Cebu
- Daang Bago (Orion)
- Daang Pare
- Dabeiba