Last name アレマン (Allemann 
, Alemán 
, アレマン) , in all the world, is a common family name. The last name アレマン is characteristic of El Salvador, where it is quite a common surname, Switzerland, and Aland Islands (explore the name in all countries). Not in comparison with a country's population, it is commonest in Switzerland, El Salvador, and Guatemala. Much less frequently, アレマン is the forename as well as the last name.