Surname Hayro (Hayro 
) , worldwide, is a rare family name. The last name Hayro is habitual in Latin America and the Caribbean, particularly Nicaragua, where it is a rare surname, Honduras, and Argentina, where it is a very rare surname. Not in comparison with a country's population, it is commonest in Latin America and the Caribbean, particularly Mexico, Honduras, and Nicaragua. More frequently, Hayro is the forename as well as the last name.