|Coordinates: 52°20′N 6°6′E / 52.333°N 6.100°E|
|• Total||118.37 km2 (45.70 sq mi)|
|• Land||113.84 km2 (43.95 sq mi)|
|• Water||4.53 km2 (1.75 sq mi)|
|Elevation||4 m (13 ft)|
|• Density||159/km2 (410/sq mi)|
Olst-Wijhe is a municipality in the province of Overijssel, the Netherlands. About 18,000 people were living there in 2021. It lies both in Salland and IJsselvallei regions.
It was created from the former municipalities of Olst and Wijhe on 1 January 2001.
The IJssel river flows through and alongside the western part of the municipality.