What are the currency of Spanish speaking countries?

It's not accurate to say all Spanish-speaking countries use the same currency. Each country has its own currency. Here's a list of Spanish-speaking countries and their respective currencies:

North and Central America:

* Mexico: Mexican Peso (MXN)

* Cuba: Cuban Peso (CUP) and Cuban Convertible Peso (CUC)

* Dominican Republic: Dominican Peso (DOP)

* Puerto Rico: US Dollar (USD)

* Costa Rica: Costa Rican Colón (CRC)

* Panama: Panamanian Balboa (PAB) - Also uses the US Dollar (USD)

* Nicaragua: Nicaraguan Córdoba (NIO)

* El Salvador: US Dollar (USD)

* Honduras: Honduran Lempira (HNL)

* Guatemala: Guatemalan Quetzal (GTQ)

* Belize: Belize Dollar (BZD)

South America:

* Argentina: Argentine Peso (ARS)

* Bolivia: Bolivian Boliviano (BOB)

* Colombia: Colombian Peso (COP)

* Chile: Chilean Peso (CLP)

* Ecuador: US Dollar (USD)

* Paraguay: Paraguayan Guaraní (PYG)

* Peru: Peruvian Sol (PEN)

* Uruguay: Uruguayan Peso (UYU)

* Venezuela: Venezuelan Bolívar Soberano (VES)

Europe:

* Spain: Euro (EUR)

* Andorra: Euro (EUR)

Africa:

* Equatorial Guinea: Central African CFA Franc (XAF)

Other:

* United States: US Dollar (USD) - While not a Spanish-speaking country, Puerto Rico, a US territory, uses the USD.

This list is not exhaustive, and some countries may have more than one currency in circulation. It's always best to double-check the current currency used in a specific country before traveling.