Montigny-en-Arrouaise

{{Use dmy dates|date=August 2023}}

{{Expand French|topic=geo|date=December 2008|Montigny-en-Arrouaise}}

{{Infobox French commune

|name = Montigny-en-Arrouaise

|commune status = Commune

|image = Montigny-en-Arrouaise (Aisne) mairie.JPG

|caption = The town hall of Montigny-en-Arrouaise

|image coat of arms =

|arrondissement = Saint-Quentin

|canton = Bohain-en-Vermandois

|INSEE = 02511

|postal code = 02110

|mayor = Christophe Parent{{cite web|title=Répertoire national des élus: les maires|url=https://www.data.gouv.fr/en/datasets/r/2876a346-d50c-4911-934e-19ee07b0e503|website=data.gouv.fr, Plateforme ouverte des données publiques françaises|date=9 August 2021|language=fr}}

|term = 2020–2026

|intercommunality = Pays du Vermandois

|coordinates = {{coord|49.9067|3.4769|format=dms|display=inline,title}}

|elevation min m = 90

|elevation max m = 154

|area km2 = 9.77

|population = {{France metadata Wikidata|population_total}}

|population date = {{France metadata Wikidata|population_as_of}}

|population footnotes = {{France metadata Wikidata|population_footnotes}}

}}

Montigny-en-Arrouaise is a commune in the Aisne department in Hauts-de-France in northern France.