Throughout the world, 塞德 (Seder 
, 塞德 
) is a rare boy's first name. The first name 塞德 is habitual in the Democratic Republic of the Congo, where it is a rare boy's name, Saudi Arabia, where it is a very rare masculine name, and Turkey, where it is a very rare epicene name. More frequently, 塞德 is the last name as well as the forename.