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Surname Olaya (Olaya , אוליה , Олая) , globally, is a common family name. The family name Olaya is habitual in Latin America and the Caribbean, particularly Colombia, where it is quite a common surname, Peru, and Aruba. Measured by absolute frequency, this name is the most popular in Latin America and the Caribbean, particularly Colombia, Peru, and Mexico. Much less frequently, Olaya is the forename as well as the last name.