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.