Using http://currate.com site, type in "peso" in the currencies list, which come up with the list:
Argentina Pesos (ARS)
Chile Pesos (CLP)
Colombia Pesos (COP)
Cuba Pesos (CUP)
Dominican Republic Pesos (DOP)
Mexico Pesos (MXN)
Philippines Pesos (PHP)
Uruguay Pesos (UYU)
Answer: 8 countries use "peso" currency word.
Several countries in America use the Peso. Therefore Peso is American money.
There a few countries that use "pesos" but they're all of different value.
Mexico In North America, many people associate the Peso and Centavos with Mexico. However, many South American countries, like Colombia and Argentina, use both Pesos and Centavos in their currency. Cuba, The Philippines and Guinea-Bissau also use "Pesos" as monetary units.
Spain, Honduras, and Nicaragua
Most countries in Latin America use the term "peso" as their currency name. Some exceptions are countries like Brazil (real), Colombia (peso), and Chile (peso).
There are about eight different countries which use pesos - each has a different value. You should specify which country's pesos.
There are various types of currency used throughout latin America, several countries use the peso, but there are also soles, reales, bolivares, bolivianos, gourdes, and dollars.
Latin America is a cultural region that spans Mexico, most of Central America, the Caribbean and South America. As such, there are several countries within the region, having different types of government. The most common is the representative republic.
Honduran people mostly use the lempira and several spanish speaking countries use pesos.
In many latin American countries you use "tú" for colloquial or informal form of "you", and "usted", for formal situations or to show respect. In some other countries you say "vos", instead of "tú" (For example in Argentina)
There are many countries which use a Peso as their currency unit and also many countries which use a Dollar. You need to specify the two countries if you wish to get a sensible answer.
Many countries use (or once used) pesos as their currency, and most of them have different exchange rates vs. the US dollar. It's also important to know the coins'/bills' dates because some of those countries have revalued their pesos. You can check a site such as www.xe.com for different countries' exchange rates.