Surname ルイザ (Luiza 
, ルイザ) , throughout the world, is a common cognomen. The surname ルイザ is characteristic of Georgia, where it is a common surname, Romania, where it is quite a common surname, and North Macedonia (explore the name in all countries). Measured by absolute frequency, this name is the most popular in Georgia, Poland, and Brazil. More frequently, ルイザ is the forename as well as the last name.