The Municipality of Šentjernej (pronounced [ʃɛnˈtjɛːɾnɛi̯] or [ʃənˈtjɛːɾnɛi̯]; Slovene: Občina Šentjernej) is a municipality in the traditional region of Lower Carniola in southeastern Slovenia.

The seat of the municipality is the town of Šentjernej.

Šentjernej became a municipality in 1994 (31 years ago) (1994).

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

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