Selšek (pronounced [ˈseːu̯ʃək]) is a small settlement in the Municipality of Šmartno pri Litiji in central Slovenia.

It lies in the valley of Jablanica Creek (Slovene: Jablaniški potok) southeast of Litija.

The area is part of the historical region of Lower Carniola.

The municipality is now included in the Central Slovenia Statistical Region.

[2] This article about the Municipality of Šmartno pri Litiji in Slovenia is a stub.