Surname ルアン (Luan 
, Louanne 
, Ruane 
) , in the entire world, is a widespread family name. The family name ルアン is characteristic of Malaysia, where it is quite a common surname, Ireland, and Cayman Islands (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in China, Malaysia, and Vietnam. Also, ルアン is the forename as well as the last name.