Around the world, Seider (Seider 
, Сейдер 
, סדר 
) is a very rare primarily boy's, but very seldom girly first name. The forename Seider is characteristic of Latin America and the Caribbean, particularly Colombia, where it is a very rare male name. Much more prevalently, Seider is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Seider | Germany, United States, Poland, Denmark, Brazil |
| Сейдер | Kazakhstan, Russia, Ukraine |
| סדר | Israel |
| maynard seider (b. 1943) |
|