Erches

{{Infobox French commune

|name = Erches

|commune status = Commune

|arrondissement = Montdidier

|canton = Roye

|INSEE = 80278

|postal code = 80500

|mayor = Xavier Balzot{{cite web|title=Répertoire national des élus: les maires|url=https://www.data.gouv.fr/fr/datasets/r/2876a346-d50c-4911-934e-19ee07b0e503|website=data.gouv.fr, Plateforme ouverte des données publiques françaises|date=2 December 2020|language=fr}}

|term = 2020–2026

|intercommunality = CC Grand Roye

|coordinates = {{coord|49.7233|2.6717|format=dms|display=inline,title}}

|elevation m = 96

|elevation min m = 90

|elevation max m = 106

|area km2 = 8.21

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

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

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

}}

Erches ({{IPA|fr|ɛʁʃ}}; {{langx|pcd|Èrche}}) is a commune in the Somme department in Hauts-de-France in northern France.