| Lemsterland | |
| Settlement Type: | Former municipality |
| Flag Size: | 100x67px |
| Map Alt: | Highlighted position of Lemsterland in a municipal map of Friesland |
| Coordinates: | 52.85°N 48°W |
| Subdivision Type: | Country |
| Subdivision Name: | Netherlands |
| Subdivision Type1: | Province |
| Subdivision Name1: | Friesland |
| Extinct Title: | Dissolved |
| Extinct Date: | 1 January 2014[1] |
| Unit Pref: | Metric |
| Area Footnotes: | [2] |
| Area Total Km2: | 124.34 |
| Area Land Km2: | 75.93 |
| Area Water Km2: | 48.41 |
| Elevation Footnotes: | [3] |
| Elevation M: | 0 |
| Population Footnotes: | [4] |
| Population Total: | 13544 |
| Population As Of: | 2013 |
| Population Density Km2: | 178 |
| Timezone1: | CET |
| Utc Offset1: | +1 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +2 |
| Postal Code Type: | Postcode |
| Postal Code: | 8508, 8530–8539 |
| Area Code Type: | Area code |
| Area Code: | 0514 |
Lemsterland (in Dutch; Flemish ˈlɛmstərˌlɑnt/; Western Frisian: Lemsterlân) is a former municipality in the northern Netherlands. In 2014 it merged with the municipalities of Skarsterlân and Gaasterlân-Sleat to form the new municipality De Fryske Marren.