Eupen can be:

Eupen, municipality located in the Belgian province of Liège Lake Eupen, located near Eupen in Belgium Marit van Eupen, rower from the Netherlands Theodor van Eupen, SS-Sturmbannführer in charge of Treblinka I Arbeitslager during the Holocaust K.A.S. Eupen, Belgian football club Eupen-Malmedy, group of cantons in Belgium Judicial Arrondissement of Eupen, judicial arrondissement located in the Walloon Province of Liège, in Belgium.