In the entire world, Силвиан (Sylvian 
, Силвиан 
) is quite a rare unisex first name. The first name Силвиан is characteristic of Cameroon, where it is a rare feminine name, France, where it is a rare masculine name, and Hong Kong. In absolute terms, the name is most common in France, the Democratic Republic of the Congo, and Cameroon. Very seldom, Силвиан is the last name as well as the forename.