The Municipality of Jezersko (pronounced [jɛˈzɛːɾskɔ]; Slovene: Občina Jezersko ) is a municipality in northern Slovenia. In 1995, Jezersko became part of Preddvor and became an independent municipality in 1998. Originally located in the historic region of Carinthia, it became part of the Upper Carniola Statistical Region in 2005. The seat of the municipality is the town of Zgornje Jezersko.
Jezersko is located in the remote Kokra Valley in the Kamnik–Savinja Alps, south of the Seeberg Saddle mountain pass and the border with the Austrian state of Carinthia. It borders Austria.