Steenwijkerland is a municipality in the province of Overijssel, in the eastern Netherlands. It was called Steenwijk before 2003.
The municipality forms the entire northwesterly corner of the province. This area is called "the Head of Overijssel". It borders the province Friesland.
The seat of the municipality, Steenwijk, with a population of about 17,100, is situated on the A32 motorway and has a railway station on the line connecting those same cities.