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Family name Maehara (Maehara
, 前原
, Сэйдзи
) , globally, is a rare surname. The last name Maehara is characteristic of Japan, where it is a rare surname, Brazil, and Peru, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Brazil, Japan, and the United States. Very seldom, Maehara is the forename as well as the last name.