Chaulnes
Commune
City hall
Coat of arms
Location of Chaulnes
Chaulnes Show map of France Chaulnes Show map of Hauts-de-France
Coordinates: 49°48′59″N 2°48′17″E / 49.8164°N 2.8047°E / 49.8164; 2.8047
Country	France
Region	Hauts-de-France
Department	Somme
Arrondissement	Péronne
Canton	Ham
Intercommunality	CC Terre de Picardie
Government
• Mayor (2020–2026)	Thierry Linéatte[1]
Area 1	8.46 km2 (3.27 sq mi)
Population  (2021)[2]	1,986
• Density	230/km2 (610/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
INSEE/Postal code	80186 /80320
Elevation	80–104 m (262–341 ft) (avg. 94 m or 308 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Chaulnes (French pronunciation: [ʃo(l)n]; Picard: Chonne) is a commune in the Somme department in Hauts-de-France in northern France.

Chaulnes lies in the eastern part of the Somme department, 13 km north of Roye. The Chaulnes station is served by local trains between Amiens and Laon.

Chaulnes is noted for its cultural events, especially the heavy metal music festival Chaulnes Metal Fest (previously known as Killer Fest before 2008). Each year, more than 500 fans turn up to see and listen to bands like Obituary, Sodom, Rage or Nashville Pussy.

• Charles François Lhomond, grammarian and wit, born at Chaulnes 1727, died in Paris 1794.
• The duchy of Chaulnes was established in 1621 for the Albert family.

• The statue of grammarian Lhomond, sculpted by Eugène-Louis Lequesne, in 1860, paid for by public subscription..

• Communes of the Somme department
• Réseau des Bains de Mer

• Chaulnes on the website of l'Institut géographique national
• L'histoire Chaulnes (plain text)