Cognomen ไฮดี (Heidi 
, ไฮดี 
) , across the world, is a common last name. The last name ไฮดี is habitual in Latin America and the Caribbean, particularly Nicaragua, where it is quite a rare surname, Honduras, and Mexico. Not in comparison with a country's population, it is the most numerous in Latin America and the Caribbean, particularly Mexico, Venezuela, and Honduras. Much more frequently, ไฮดี is the forename as well as the last name.