Worldwide, Sideral (Sideral 
) is a rare masculine first name. The first name Sideral is characteristic of Sub-Saharan Africa, particularly the Democratic Republic of the Congo, where it is a rare boy's name. Much less frequently, Sideral is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sideral | Spain, Colombia, Brazil, India, Democratic Republic of the Congo |
|
wilson sideral Brazilian composer (1975-), BR (b. 1975) |
|