Cognomen Эрнестина (Ernestina 
, Эрнестина 
) , throughout the world, is a common family name. The surname Эрнестина is habitual in Latin America and the Caribbean, particularly Mexico, where it is quite a common surname, Nicaragua, and Honduras. Not in comparison with a country's population, the name is most common in Mexico, Honduras, and Ghana. Also, Эрнестина is the forename as well as the last name.