The Arrondissement of Mouscron (French: Arrondissement de Mouscron; Dutch: Arrondissement Moeskroen) is a former arrondissement in the Walloon province of Hainaut, Belgium.

Its municipalities are a part of the Judicial Arrondissement of Tournai.

The arrondissement was created in 1963 after several municipalities were transferred from the Dutch-speaking province of West Flanders to French-speaking Hainaut following the language laws of 1962.

[1][2] In 2019 it was merged into the new Arrondissement of Tournai-Mouscron.

The Administrative Arrondissement of Mouscron consists of the following municipalities and former municipalities (with their Dutch name): This Hainaut Province location article is a stub.