Jelše may refer to several settlements in Slovenia:
Jelša, Šmartno pri Litiji, a settlement in the Municipality of Šmartno pri Litiji (known as Jelše until 1990) Jelše, Krško, a settlement in the Municipality of Krško Jelše, Mirna Peč, a settlement in the Municipality of Mirna Peč Jelše pri Otočcu, a settlement in the Municipality of Novo Mesto