Cagny (French pronunciation: [kaɲi] ⓘ; Picard: Cagnin) is a commune in the Somme department in Hauts-de-France in northern France.

The town was occupied by Germany during World War II, and saw fighting during July 1944.

The British attacked on the 18th, but defense from a nearby Flak battery held off the attack, destroying numerous British tanks.

Eventually, the British did succeed in liberating the town.

[3] Cagny is situated on the D161 road, on the outskirts of Amiens, about 3 miles (5 km) from the centre The site of Cagny-La-Garenne 2 has evidence of humans Homo heidelbergensis from an inter-Ice-age environment (about 300,000 years ago).