Loučim (German: Lautschim) is a municipality and village in Domažlice District in the Plzeň Region of the Czech Republic.

The southern part of the municipal territory extends in to the Cham-Furth Depression.

The highest point is the hill Černá skála at 731 m (2,398 ft) above sea level.

Throughout its history, the village was owned by various lower noble families.

The main landmark of Loučim is the Church of the Nativity of the Virgin Mary.