The Municipality of Semič (pronounced [ˈseːmitʃ]; Slovene: Občina Semič) is a municipality in Slovenia in the traditional region of White Carniola in southeastern Slovenia.

The municipality is included in the Southeast Slovenia Statistical Region.

Its seat is the settlement of Semič.

In addition to the municipal seat of Semič, the municipality also includes the following settlements:

This article about the Municipality of Semič in Slovenia is a stub.