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Cognomen Klecko (Klecko
, Клецко
) , in the world, is quite a rare surname. The last name Klecko is characteristic of Belarus, where it is quite a rare surname, Latvia, where it is a rare surname, and Ukraine. Measured by absolute frequency, it is commonest in Eastern Europe, particularly Russia, Ukraine, and Belarus. Very seldom, Klecko is the forename as well as the last name.