Cognomen アルファ (Alpha 
, Alfa , Arfa 
) , all over the world, is a widespread last name. The cognomen アルファ is characteristic of Tunisia, where it is quite a common surname, Nigeria, and Guinea (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in Nigeria, Indonesia, and Egypt. More prevalently, アルファ is the forename as well as the last name.