Family name Slej (Sledge 
, Slej 
) , in all the world, is quite a common surname. The surname Slej is habitual in the United States, where it is quite a rare surname, Ghana, and New Zealand, where it is a rare surname. In absolute terms, it most frequently occurs in the United States, Ghana, and the United Kingdom. Much less frequently, Slej is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sledge | Australia, United States, Ghana, United Kingdom, Democratic Republic of the Congo |
| Slej | United States, Denmark, Germany, Spain |
| sidsel katrine slej Danish author |
|