word | | Currency (code) |
| Convertible | Cuba | Cuban peso (CUP) and Convertible peso (CUC) |
| COP | Colombia | Colombian peso (COP) |
| cordoba | Nicaragua | gold cordoba (NIO) |
| Costa | Costa Rica | Costa Rican colon (CRC) |
| CRC | Costa Rica | Costa Rican colon (CRC) |
| Cuban | Cuba | Cuban peso (CUP) and Convertible peso (CUC) |
| CUC | Cuba | Cuban peso (CUP) and Convertible peso (CUC) |
| CUP | Cuba | Cuban peso (CUP) and Convertible peso (CUC) |
| currency | Israel | new Israeli shekel (ILS); note - NIS is the currency abbreviation; ILS is the International Organization for Standardization (ISO) code for the NIS |
| currency | Romania | "new" leu (RON) was introduced in 2005; "old" leu (ROL) was phased out in 2006; note - because of currency revaluation, 10,000 ROL = 1 RON |
| currency | Slovenia | euro (EUR) note: on 1 January 2007, the euro became Slovenia's currency; both the tolar and the euro were in circulation from 1 January until 15 January 2007 |
| CVE | Cape Verde | Cape Verdean escudo (CVE) |
| CYP | Akrotiri | euro (EUR) adopted 1 January 2008; note - the Cypriot pound (CYP) formerly used |
| CYP | Cyprus | Cypriot pound (CYP); euro (EUR) after 1 January 2008 |
| CYP | Dhekelia | euro (EUR) adopted 1 January 2008; note - the Cypriot pound (CYP) formerly used |
| Cypriot | Akrotiri | euro (EUR) adopted 1 January 2008; note - the Cypriot pound (CYP) formerly used |
| Cypriot | Cyprus | Cypriot pound (CYP); euro (EUR) after 1 January 2008 |