Lemsterland (population: 12,962) is a municipality in the northern Netherlands, in the province of Friesland. The municipality covers an area of 124.37 km² (of which 47.70 km² water).
The municipality of Lemsterland consists the following towns, villages and townships: Bantega, Delfstrahuizen, Echten, Echtenerbrug, Eesterga, Follega, Lemmer, Oosterzee, Oosterzee-Buren.
The Ir.D.F. Woudagemaal (D.F. Wouda Steam Pumping Station) at Lemmer is a World Heritage Site.