| Casalpusterlengo | Casalpusterlengo |
| Casamance | Casamance |
| Casamance River | Casamance |
| Casanare Department | Casanare |
| Casanova | casanova |
| Casarano | Casarano |
| cascade | kaskada |
| Cascade Range | Góry Kaskadowe |
| Cascading Style Sheets | Kaskadowe arkusze stylów |
| Cascais | Cascais |
| Cascia | Cascia |
| case | łuska |
| Case Blue | Operacja Fall Blau |
| Case histories | Case study |
| case insensitive | nierozróżniający wielkości liter |
| Case modding | Modding |
| case sensitive | rozróżniający wielkość liter |
| Case sensitivity | Case sensitive |
| case shot | kartacz |
| Caseless ammunition | Amunicja bezłuskowa |
| casemate | kazamat |
| casement | okno |
| Caserta | Caserta |
| Caserta Palace | Pałac Królewski w Casercie |
| Casey Dellacqua | Casey Dellacqua |
| cash | gotówka |
| cash cow | dojna krowa |
| cash crop | uprawy na sprzedaż |
| cash desk | kasa |
| cash dispenser | bankomat |
| cash machine | bankomat |
| cash money | gotówka |
| cash on delivery | za pobraniem |
| cash register | kasa |
| Cash remittance | Polecenie przelewu |
| Cash-book | Księga kasowa |
| cashew | nerkowiec |
| cashew nut | orzech nerkowca |
| cashier | kasjer |
| Cashis | Ca$his |
| Cashmere wool | Kaszmir |
| Cashpoint machine | Bankomat |
| Casimir | Kazimierz |
| Casimir effect | Efekt Casimira |
| Casimir Funk | Kazimierz Funk |
| Casimir Gzowski | Kazimierz Stanisław Gzowski |
| Casimir I of Poland | Kazimierz I Odnowiciel |
| Casimir II of Poland | Kazimierz II Sprawiedliwy |
| Casimir III of Poland | Kazimierz III Wielki |
| Casimir IV Jagiellon | Kazimierz IV Jagiellończyk |
| Casimir IV of Pomerania | Kazimierz IV Słupski |
| casino | kasyno |
| Casino Royale | Casino Royale |
| Casio | Casio |
| Casiquiare canal | Casiquiare |
| Caslano | Caslano |
| Caspar Bartholin the Elder | Caspar Bartholin starszy |
| Caspar Bartholin the Younger | Caspar Bartholin młodszy |
| Caspar David Friedrich | Caspar David Friedrich |
| Caspar Wessel | Caspar Wessel |
| Casper | Gaspar |
| Casper Meets Wendy | Casper i Wendy |
| Casper the Friendly Ghost | Kacper |
| Casper Van Dien | Casper Van Dien |
| Caspian Depression | Nizina Nadkaspijska |
| Caspian Gull | Mewa białogłowa |
| Caspian Sea | Morze Kaspijskie |
| Caspian Sea Wolf | Wilk kaspijski |
| Caspian Seal | Foka kaspijska |
| Caspian tern | Rybitwa wielkodzioba |
| Cass County | Hrabstwo Cass |
| Cassago Brianza | Cassago Brianza |
| Cassander | Kassander |
| Cassandra | Kasandra |
| Cassandreia | Kasandra |
| Cassel | Cassel |
| casserole | zapiekanka |
| cassette tape | taśma magnetofonowa |
| Cassiel | Cassiel |
| Cassini | Cassini |
| Cassini oval | Owal Cassiniego |
| Cassiodorus | Kasjodor |
| Cassiopeia | Kasjopea |
| Cassiopeium | Lutet |
| Cassius Chaerea | Kasjusz Cherea |
| Cassius Dio | Kassjusz Dion |
| Cassius Dionysius Longinus | Gaius Cassius |
| cassock | sutanna |
| cassowary | kazuar |
| Cassubian | kaszubski |
| cast | obsadzić |
| cast a spell | zaklinać |
| cast iron | żeliwo |
| cast pearls before swine | rzucać perły przed wieprze |
| Castagnac | Castagnac |
| Castamir the Usurper | Castamir |
| Castaneda | Castaneda |
| castanet | kastaniety |
| Castanet-le-Haut | Castanet-le-Haut |
| Castanheira de Pera | Castanheira de Pera |
| Castasegna | Castasegna |
| Castañeda | Castaneda |
| caste | kasta |
| Castel del Monte | Castel del Monte |
| Castel di Judica | Castel di Iudica |
| Castel Gandolfo | Castel Gandolfo |
| Castel Maggiore | Castel Maggiore |
| Castel Nuovo | Castel Nuovo w Neapolu |
| Castel San Pietro | Castel San Pietro |
| Castel Viscardo | Castel Viscardo |
| Casteldelfino | Casteldelfino |
| Castelfranco Veneto | Castelfranco Veneto |
| Castellammare di Stabia | Castellammare di Stabia |
| Castellany | Kasztelania |
| Castelli | Kaštela |
| Castello Sforzesco | Castello Sforzesco |
