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Family name Planck (מקס , Planck
, Планк
) , around the globe, is quite a rare last name. The surname Planck is characteristic of Israel, where it is quite a rare surname, Denmark, where it is a rare surname, and Sweden. Measured by absolute frequency, it most frequently occurs in the United States, Germany, and Israel. Very seldom, Planck is the forename as well as the last name.