Around the globe, Serein (Serene 
, Serein 
) is quite a common dominantly girly, but uncommonly male first name. The first name Serein is characteristic of Singapore, where it is quite a common feminine name, Hong Kong, where it is quite a rare feminine name, and Lebanon. Measured by absolute frequency, it most frequently occurs in Singapore, the Democratic Republic of the Congo, and the United States. Much less frequently, Serein is the last name as well as the forename.