Worldwide, ロセイ (Rosell 
, ロセイ) is quite a rare unisex forename. The given name ロセイ is habitual in Philippines, where it is quite a rare dominantly girly, but infrequently masculine name, Cuba, where it is quite a rare boy's name, and Peru, where it is a rare predominantly male, but very seldom feminine name. Also, ロセイ is the last name as well as the forename.