Arrondissement of Tournai-Mouscron

{{refimprove|date=November 2021}}

{{Infobox settlement

| name = {{Nowrap|Arrondissement of Tournai-Mouscron}}

| native_name = {{Lang|fr|Arrondissement de Tournai-Mouscron}}

| type = Arrondissement

| image_skyline =

| image_alt =

| image_caption =

| image_map = Arrondissement Tournai-Mouscron Belgium Map.svg

| map_alt =

| map_caption = Location of the arrondissement in Hainaut

| coordinates = {{coord|50.36|3.24|region:BE_type:adm3rd|display=inline,title}}

| coor_pinpoint =

| coordinates_footnotes =

| subdivision_type = Country

| subdivision_name = {{flag|Belgium}}

| subdivision_type1 = Region

| subdivision_name1 = {{BE-REG-WAL}}

| subdivision_type2 = Province

| subdivision_name2 = {{BE-PROV-HT}}

| parts_type = Municipalities

| parts_style = para

| p1 = 12

| established_title =

| established_date =

| unit_pref = Metric

| area_footnotes =

| area_total_km2 = 708.70

| elevation_footnotes =

| elevation_m =

| population_footnotes = {{Cite web|title=Statistiques de population|url=https://www.ibz.rrn.fgov.be/fr/population/statistiques-de-population/}}

| population_total = 223553

| population_as_of = January 1, 2020

| population_density_km2 = auto

| timezone1 = CET

| utc_offset1 = +1

| iso_code =

| website =

| footnotes =

}}

The Arrondissement of Tournai-Mouscron ({{Langx|fr|Arrondissement de Tournai-Mouscron}}; {{Langx|nl|Arrondissement Doornik-Moeskroen}}) is one of the seven administrative arrondissements in the Walloon province of Hainaut, Belgium. The Arrondissement of Tournai-Mouscron was created in 2019 by the merger of the former arrondissements of Tournai and Mouscron.