De Fryske Marren

De Fryske Marren () is a municipality in the Dutch province of Friesland. In 2019, 51,430 people lived there.
It was created on 1 January 2014 and consists of the former municipalities of Gaasterlân-Sleat, Lemsterland, Skarsterlân and parts of Boarnsterhim, all four of which were dissolved on the same day.