| Castilenti | Castilian | Castiliano |
| Castilla at León | Castilla at Leon | Castilla la Nueva, Meta |
| Castilla y León | Castilla y Leon | Castilla, Sorsogon |
| Castilla-La Mancha | Castilla-Leon | Castillejos |
| Castillejos, Zambales | Castino | Castione Andevenno |
| Castione della Presolana | Castiraga Vidardo | Casto |
| Casto Alejandrino | Casto, Lombardia | Casto, Lombardy |
| Castor | Castor (mitolohiya) | Castor and Pollux |
| Castor and Polydeuces | Castor at Pollux | Castor at Polux |
| Castor at Polydeuces | Castor at Polydeukes | Castor oil |
| Castor oil plant | Castorano | Castores |
| Castorite | Castrate | Castration |
| Castration anxiety | Castration complex | Castrezzato |
| Castri di Lecce | Castries | Castrignano de' Greci |
| Castrignano del Capo | Castro | Castro dei Volsci |
| Castro, Apulia | Castro, Lombardia | Castro, Lombardy |
| Castrocaro Terme e Terra del Sole | Castrocielo | Castrofilippo |
| Castrolibero | Castronno | Castronovo di Sicilia |
| Castronuovo di Sant'Andrea | Castropignano | Castroreale |
| Castroregio | Castrovillari | Casual relationship |
| Casual sex | Casuarina equisetifolia | Cat |
| Cat nap | Cat on a Hot Tin Roof (pelikula noong 1958) | Cat Stevens |
| Cat-nap | CAT:DELETE | Cataban, Laoag, Ilocos Norte |
| Catacumba | Catagtaguen, Banna, Ilocos Norte | Cataingan |
| Cataingan, Masbate | Catala | Catalan |
| Cataliganan, Lasam, Cagayan | Catalina | Catalina II ng Rusya |
| Catalina Labouré | Catalina ng Siena | Catalina Sandino Moreno |
| Catalina Volpicelli | Catalina, Dukesa ng Cambridge | Cataloña |
| Catalonia | Cataluña | Cataluna |
| Catalunya | Catanauan | Catanauan, Quezon |
| Catanduanes | Catanduanes College | Catanduanes State College |
| Catangraran, Solsona, Ilocos Norte | Catania | Catania (lalawigan) |
| Catanzaro | Cataplasm | Cataratan, Allacapan, Cagayan |
| Catarauan, Amulung, Cagayan | Catarauan, Piat, Cagayan | Catarman |
| Catarman (bulkan) | Catarman Mountain | Catarman N. samar |
| Catarman Volcano | Catarman, Camiguin | Catarman, Hilagang Samar |
| Catarman, Northern Samar | Catarrhine | Catarrhini |
| Catayauan, Lal-lo, Cagayan | Catálogo alfabético de apellidos | Catbalogan |
| Catbalogan City | Catbalogan, Samar | Catch Me Im Inlove |
| Catch Me Out Philippines | Catcher of dreams | CatDog |
| Catdog | Cate Blanchett sa sine at entablado | Catechism for Catholic Filipinos |
| Catechism for Filipino Catholics | Catedral Basílica de Nuestra Señora del Valle | Catedral de San Cristóbal de La Laguna |
| Catedral Metropolitana Basílica de San Juan Bautista (San Juan, Puerto Rico) | Cateel | Cateel, Davao Oriental |
| Category theory | Catenanuova | Cater |
| Caterina | Caterina Volpicelli | Catering |
| Catering industry | Catering trade | Caterpillar |
| Caterpillar ride | Catfish | Cathar |
| Cathar Crusade | Catharina | Catharina Volpicelli |
| Catharism | Catharismo | Cathars |
| Cathedral City, California | Cathedral of Manila | Cathedral of Praise with David Sumrall |
| Cathedral-Basilica of the Immaculate Conception | Catherine | Catherine ang Dakila |
| Catherine at ang Kaniyang Kapalaran | Catherine Bach | Catherine Ferguson |
| Catherine II ng Rusya | Catherine II of Russia | Catherine Mardon |
| Catherine Perena | Catherine Tekakwitha | Catherine Volpicelli |
| Catherine Zeta-Jones | Catherine, Dukesa ng Cambridge | Catherine, Prinsesa ng Wales |
| Cathode ray | Cathode rays | Catholic Bishop's Conference of the Philippines |
| Catholic Bishops' Conference of the Philippines | Catholic Bishops’ Conference of the Philippines | Catholic Church |
| Catholic Encyclopedia | Catholic letter | Catholic letters |
| Catholic Reform | Catholic Reformation | Catholic studies |
| Catholicism | Cathouse | Cathryn |
| Cathy Gonzaga | Cathy Moriarty | Cathy Remperas |
| Catigbian | Catigbian, Bohol | Catignano |
| Catitipan Airport Road | Catman (pelikula) | Catmon |
| Catmon, Cebu | Catnap | Catotoran Norte, Camalaniugan, Cagayan |
| Catotoran Sur, Camalaniugan, Cagayan | Catpox | Catriona Gray |
| Catrobat | Cats | Cattle |
| Cattolica | Cattolica Eraclea | Catubig |
| Catubig, Hilagang Samar | Catubig, Northern Samar | Catugan, Lal-lo, Cagayan |
| Catugay, Baggao, Cagayan | Catullus | Catulo |
| Catus | Catus Decianus | Catwoman |
| Cauayan | Cauayan City | Cauayan, Isabela |
| Cauayan, Negros Occidental | Cauca (Colombia) | Cauca Department |
| Caucasia, Antioquia | Caucasus | Caucasus (bulubundukin) |
| Caucasus Mountains | Caucasus Soviet Federative Socialist Republic | Cauliflower |
| Caulis | Caulonia | Caunayan, Batac |
| Caunayan, Pagudpud, Ilocos Norte | Caunti | Causirina equisetifolia |
| Caustic soda | Cautano | Cauter |
| Cauterisation | Cauterise | Cauterization |
| Cauterize | Cautery | Cauvin |
| Cava de' Tirreni | Cava Manara | Cavacurta |
| Cavaglià | Cavaglietto | Cavaglio d'Agogna |
| Cavaglio-Spoccia | Cavagnolo | Cavaion Veronese |
| Cavalerie | Cavalese | Cavallasca |
| Cavallerleone | Cavallermaggiore | Cavallino |
| Cavallino-Treporti | Cavallirio | Cavalry |
| Cavareno | Cavargna | Cavaria con Premezzo |
| Cavarzere | Cavaso del Tomba | Cavatore |
| Cave | Cave of Tabon | Cave, Italya |
| Cave, Lazio | Cavedago | Cavedine |
| Cavenago d'Adda | Cavenago di Brianza | Cavern |
| Cavernago | Caves of Tabon | Cavezzo |
| Cavia porcellus | Caviar | Caviernesan |
| Cavinti | Cavinti, Laguna | Cavit, Laoag, Ilocos Norte |
| Cavitas thoracis | Cavite | Cavite City |
| Cavite Line | Cavite mutiny | Cavite province |
| Cavite State University | Cavite West Point College | Cavite, Cavite |
| Cavite–Laguna Expressway | Cavite–Tagaytay–Batangas Expressway | CAVITEX |
| Cavity of body | Cavity of human body | Cavizzana |
| Cavour | Cavour (TO) | Cavour, Piamonte |
| Cavour, Piedmont | CaVRAA | Cavriago |
