The Arrondissement of Tongeren (; ) is one of the three administrative arrondissements in the Province of Limburg, Belgium. It is both an administrative and a judicial arrondissement. However, the Judicial Arrondissement of Tongeren also comprises the municipalities of Bocholt, Bree, Kinrooi, Meeuwen-Gruitrode, Dilsen-Stokkem and Maaseik in the Arrondissement of Maaseik and the municipalities of As, Genk, Opglabbeek and Zutendaal in the Arrondissement of Hasselt.