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Last name Roca (Roca , روكا , Рока ) , around the world, is a widespread cognomen. The family name Roca is characteristic of Bolivia, where it is a common surname, Andorra, where it is quite a common surname, and Guatemala (explore the name in all countries). Measured by absolute frequency, this name is the most popular in Spain, Bolivia, and Peru. Much less frequently, Roca is the forename as well as the last name.