Vossem is a village in the municipality of Tervuren, in Belgium, 15 km from Leuven, or Louvain. It is located in the valley of the Voer creek. There is small nature reserve in Vossem, the Twaalf-Apostelenbos, a swamp. Vossem was an independent village until 1977, when it became part of the municipality of Tervuren. Vossem is a part of the municipality of Tervuren that is comprised by the villages of Duisburg, Tervuren, Vossem and Moorsel. On 16 June 1673, the Treaty of Vossem was signed here between Louis XIV of France and Elector Frederick William of Brandenburg-Prussia.
Tervuren is one of the richest municipalities in Belgium. It is linked to Brussels by a large processional avenue, Tervurenlaan, built by king Leopold II for the Universal Exhibition of 1897. This interweaves with a combined heritage and commuter tramline. Until 1959, Tervuren was also served by an electric railway, whose disused terminus opposite the Royal Museum for Central Africa became a pub named the Spoorloos Station (Trackless Station), currently named "Bar des Amis".
Vossem has a population of over 69 people. Vossem also forms part of the wider Tervuren municipality which has a population of over 22,248 people.
Tervuren is twinned with Dachau, Oosterbeek (in Renkum) and Kloster Lehnin.