Gaasterlân-Sleat is a former municipality in the northern Netherlands.

Its official name is in West Frisian, the Dutch name being Gaasterland-Sloten (pronounced [ˌɣaːstərlɑnt ˈsloːtə(n)] ⓘ).

In 2014 it merged with the municipalities of Lemsterland and Skarsterlân to form the new municipality De Fryske Marren.

Bakhuizen, Balk, Elahuizen, Harich, Kolderwolde, Mirns, Nijemirdum, Oudega, Oudemirdum, Rijs, Ruigahuizen, Sloten, Sondel and Wijckel.

This Friesland location article is a stub.