Joncourt (French pronunciation: [ʒɔ̃kuʁ]) is a commune in the Aisne department in Hauts-de-France in northern France.

You can help expand this article with text translated from the corresponding article in French. (December 2008) Click [show] for important translation instructions. View a machine-translated version of the French article. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing French Wikipedia article at [[:fr:Joncourt]]; see its history for attribution. You may also add the template {{Translated|fr|Joncourt}} to the talk page. For more guidance, see Wikipedia:Translation.

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Joncourt
Commune
The road into Joncourt
Location of Joncourt
Joncourt Show map of France Joncourt Show map of Hauts-de-France
Coordinates: 49°57′24″N 3°18′01″E
Country	France
Region	Hauts-de-France
Department	Aisne
Arrondissement	Saint-Quentin
Canton	Bohain-en-Vermandois
Government
• Mayor (2020–2026)	Philippe Ricour[1]
Area 1	7.25 km2 (2.80 sq mi)
Population  (2021)[2]	319
• Density	44/km2 (110/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
INSEE/Postal code	02392 /02420
Elevation	108–153 m (354–502 ft) (avg. 145 m or 476 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

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It lies near the St. Quentin Canal.

On 1 October 1918 during World War I, a battle was fought there that was described by the Allied media at that time as "the Miracle of the War", the 46th (North Midland) Division broke through the Hindenburg Line near the town at the canal. For his courage and leadership in the Joncourt action, the poet Wilfred Owen was posthumously awarded the Military Cross.

• Communes of the Aisne department