Surname Liusen (Люсьен 
, Liusen 
) , all over the world, is a very rare cognomen. The last name Liusen is characteristic of Georgia, where it is a very rare surname, Spain, where it is an extremely rare surname, and Russia. In absolute terms, the name is most common in Russia, Philippines, and Spain. More frequently, Liusen is the forename as well as the last name.