| Arrondissement of Mouscron | |
| Type: | Former arrondissement |
| Coordinates: | 50.75°N 3.2°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Belgium |
| Subdivision Type1: | Region |
| Subdivision Type2: | Province |
| Parts Type: | Municipalities |
| Parts Style: | para |
| P1: | 2 |
| Unit Pref: | Metric |
| Area Total Km2: | 101.17 |
| Population Density Km2: | auto |
| Timezone1: | CET |
| Utc Offset1: | +1 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +2 |
The Arrondissement of Mouscron (;) is a former arrondissement in the Walloon province of Hainaut, Belgium. It is not a judicial arrondissement. 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):