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Surname ルタ (Ruta , ルタ ) , throughout the world, is a common family name. The cognomen ルタ is characteristic of Poland, where it is quite a common surname, Italy, where it is quite a rare surname, and Romania. Not in comparison with a country's population, it is the most numerous in Poland, Italy, and Philippines. Also, ルタ is the forename as well as the last name.