Family name Ερνέστο (Ernesto 
, Ερνέστο) , globally, is a widespread surname. The family name Ερνέστο is characteristic of Mexico, where it is a common surname, Nicaragua, and Spain, where it is quite a common surname (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in Mexico, Spain, and Argentina. More prevalently, Ερνέστο is the forename as well as the last name.