Arthun

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

{{Infobox French commune

|name = Arthun

|commune status = Commune

|image = Eglise Saint Barthélémy d'Arthun Loire.jpg

|image coat of arms = Blason ville fr Arthun (Loire).svg

|arrondissement = Montbrison

|canton = Boën-sur-Lignon

|INSEE = 42009

|postal code = 42130

|mayor = Jean-Claude Garde{{cite web|title=Répertoire national des élus: les maires|url=https://www.data.gouv.fr/fr/datasets/r/2876a346-d50c-4911-934e-19ee07b0e503|publisher=data.gouv.fr, Plateforme ouverte des données publiques françaises|date=13 September 2022|language=fr}}

|term = 2020–2026

|intercommunality = CA Loire Forez

|coordinates = {{coord|45.7739|4.0347|format=dms|display=inline,title}}

|elevation m = 400

|elevation min m = 346

|elevation max m = 502

|area km2 = 13.88

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

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

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

}}

Arthun ({{IPA|fr|aʁtœ̃}}) is a commune in the Loire department in central France.