Grinder is a village in Grue Municipality in Innlandet county, Norway. The village is located on the eastern shore of the river Glomma, about 5.5 km to the south of the village of Kirkenær. The Norwegian National Road 2 and the Solørbanen railway line both run through Grinder. The village is named after the large Grinder farm which covers about 1500 daa of cultivated land and forests. The 0.76 km2 village had a population (in 2012) of 256 and a population density of 336.8 PD/km2. Since 2013, the population and area data for this village area has not been separately tracked by Statistics Norway.