| Oosthem | |
| Native Name: | Easthim |
| Settlement Type: | Village |
| Pushpin Map: | Netherlands Friesland#Netherlands |
| Pushpin Label Position: | right |
| Pushpin Mapsize: | 250 |
| Pushpin Map Caption: | Location in the Netherlands |
| Coordinates: | 53.0161°N 5.6003°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Netherlands |
| Subdivision Type1: | Province |
| Subdivision Name1: | Friesland |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Súdwest-Fryslân |
| Unit Pref: | Metric |
| Area Total Km2: | 8.39 |
| Elevation Footnotes: | [1] |
| Elevation M: | -0.5 |
| Population As Of: | 2021 |
| Population Footnotes: | [2] |
| Population Total: | 455 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 8618 |
| Area Code Type: | Dialing code |
| Area Code: | 0515 |
Oosthem (Western Frisian: Easthim) is a village in Súdwest-Fryslân in the province of Friesland, the Netherlands. It had a population of around 420 in January 2017.[3]
The village was first mentioned in 1453 as Aesthem. The etymology is unclear.[4] Oosthem is a terp (artificial living hill) village near the former Middelzee which is located to north of IJlst.[5]
The Dutch Reformed church was built in 1860 in neoclassical style as a replacement of its medieval predecessor.[5]
Oosthem was home to 180 people in 1840.[6] Before 2011, the village was part of the Wymbritseradiel municipality.[6]