Worldwide, Сейді (Sejdi 
, Сейді 
) is a rare boy's first name. The given name Сейді is characteristic of Albania, where it is quite a rare masculine name, Slovenia, and Switzerland, where it is a rare male name. Measured by absolute frequency, this name is the most popular in Albania, Slovenia, and the United States. Likewise, Сейді is the last name as well as the forename.