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Surname Kalous (كالوس
, Kalous
) , around the globe, is quite a rare last name. The family name Kalous is characteristic of Czechia, where it is quite a common surname, Austria, where it is a rare surname, and Slovakia. In absolute terms, it is the most numerous in Czechia, the United States, and Germany. Very seldom, Kalous is the forename as well as the last name.