The Arrondissement of Tournai (; ) is a former arrondissement in the Walloon province of Hainaut, Belgium. It is both an administrative and a judicial arrondissement. However, the Judicial Arrondissement of Tournai also comprises the municipality of Lessines in the Arrondissement of Soignies and all municipalities of the Arrondissement of Ath, with the exception of the municipalities of Brugelette and Chièvres. In 2019 it was merged into the new Arrondissement of Tournai-Mouscron. Municipalities The Administrative Arrondissement of Tournai consists of the following municipalities: Antoing Brunehaut Celles Estaimpuis Leuze-en-Hainaut Mont-de-l'Enclus Pecq Péruwelz Rumes Tournai References Tournai