word | | Currency (code) |
| XAF | Equatorial Guinea | Communaute Financiere Africaine franc (XAF); note - responsible authority is the Bank of the Central African States |
| XAF | Gabon | Communaute Financiere Africaine franc (XAF); note - responsible authority is the Bank of the Central African States |
| XCD | Anguilla | East Caribbean dollar (XCD) |
| XCD | Antigua and Barbuda | East Caribbean dollar (XCD) |
| XCD | Dominica | East Caribbean dollar (XCD) |
| XCD | Grenada | East Caribbean dollar (XCD) |
| XCD | Montserrat | East Caribbean dollar (XCD) |
| XCD | Saint Kitts and Nevis | East Caribbean dollar (XCD) |
| XCD | Saint Lucia | East Caribbean dollar (XCD) |
| XCD | Saint Vincent and the Grenadines | East Caribbean dollar (XCD) |
| XOF | Benin | Communaute Financiere Africaine franc (XOF); note - responsible authority is the Central Bank of the West African States |
| XOF | Burkina Faso | Communaute Financiere Africaine franc (XOF); note - responsible authority is the Central Bank of the West African States |
| XOF | Cote d'Ivoire | Communaute Financiere Africaine franc (XOF); note - responsible authority is the Central Bank of the West African States |
| XOF | Guinea-Bissau | Communaute Financiere Africaine franc (XOF); note - responsible authority is the Central Bank of the West African States |
| XOF | Mali | Communaute Financiere Africaine franc (XOF); note - responsible authority is the Central Bank of the West African States |
| XOF | Niger | Communaute Financiere Africaine franc (XOF); note - responsible authority is the Central Bank of the West African States |