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Family name Salou (Salou , Салу , سالو ) , across the world, is quite a common cognomen. The cognomen Salou is characteristic of Sub-Saharan Africa, particularly Togo, where it is quite a rare surname, Benin, and Burkina Faso. Measured by absolute frequency, it is the most numerous in the Democratic Republic of the Congo, France, and Niger. Much less frequently, Salou is the forename as well as the last name.