Buironfosse

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

{{Expand French|topic=geo|date=December 2008|Buironfosse}}

{{Infobox French commune

|name = Buironfosse

|commune status = Commune

|image = Le Boujon église (façade nord) 1.jpg

|caption = The church of Le Boujon

|image coat of arms =

|arrondissement = Vervins

|canton = Vervins

|INSEE = 02135

|postal code = 02620

|mayor = Marie-Anne Wattier{{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 = Thiérache du Centre

|coordinates = {{coord|49.9661|3.8353|format=dms|display=inline,title}}

|elevation m = 215

|elevation min m = 173

|elevation max m = 222

|area km2 = 17.6

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

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

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

}}

Buironfosse ({{IPA|fr|bɥiʁɔ̃fos}}) is a commune in the department of Aisne in Hauts-de-France in northern France.