Horní Maršov (German: Marschendorf) is a municipality and village in Trutnov District in the Hradec Králové Region of the Czech Republic.

Most of the municipal territory lies in the Krkonoše National Park.

[3] During the German occupation of Czechoslovakia in World War II, the Germans established and operated the E584 forced labour subcamp of the Stalag VIII-B/344 prisoner-of-war camp in the village.

The main landmark of Horní Maršov is the Church of the Assumption of the Virgin Mary.

[8] The Horní Maršov Castle belongs to the most valuable buildings of the village.