In all the world, Slej (Sledge 
, Slej 
) is a rare male first name. The first name Slej is characteristic of Sub-Saharan Africa, particularly Botswana, where it is quite a rare boy's name, the Democratic Republic of the Congo, where it is a rare masculine name, and Ghana. More frequently, Slej is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sledge | United Kingdom, Australia, United States, Ghana, Democratic Republic of the Congo |
| Slej | Denmark, Germany, United States, Spain |