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Last name Piecha (Piecha , Пеха , Пьеха ) , all over the world, is quite a rare family name. The last name Piecha is characteristic of Poland, where it is quite a rare surname, Germany, and Czechia, where it is a rare surname. Measured by absolute frequency, the name is most common in Poland, Germany, and Brazil. Likewise, Piecha is the forename as well as the last name.