The Municipality of Metlika (pronounced [mɛˈtliːka] ⓘ; Slovene: Občina Metlika) is a municipality in the traditional region of Lower Carniola in southeastern Slovenia.

The seat of the municipality is the town of Metlika.

Metlika became a municipality in 1994.

[2] It borders Croatia.

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