Linghem is a locality in Linköping Municipality, in Östergötland County, Sweden. Linghem lies at 56 m above sea level. It has 3,155 inhabitants (2023). The nearest city is Linköping, 9.8 km to the west. Among the landmarks around are Linköping Cathedral (10.2 km), Östergötland Museum (10.2 km) and Linköping Castle (10.3 km). Among the natural features are Flistads brunn (21 km).