Fontaine-sur-Somme

{{Infobox French commune

|name = Fontaine-sur-Somme

|commune status = Commune

|image = Photo de Fontaine-sur-Somme, 80, Fr.jpg

|caption = A general view of Fontaine-sur-Somme

|image coat of arms = Blason ville fr Fontaine-sur-Somme 80.svg

|arrondissement = Abbeville

|canton = Gamaches

|INSEE = 80328

|postal code = 80510

|mayor = Stéphane Deloison{{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=4 May 2022|language=fr}}

|term = 2021–2026

|intercommunality = CA Baie de Somme

|coordinates = {{coord|50.0306|1.9397|format=dms|display=inline,title}}

|elevation m = 11

|elevation min m = 7

|elevation max m = 102

|area km2 = 15.18

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

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

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

}}

Fontaine-sur-Somme ({{IPA|fr|fɔ̃tɛn syʁ sɔm}}, literally Fontaine on Somme; {{langx|pcd|Fontainne-su-Sonme}}) is a commune in the Somme department in Hauts-de-France in northern France.