Carnoy-Mametz
| Carnoy-Mametz | |
|---|---|
| Town halls | |
| Location of Carnoy-Mametz | |
| Coordinates: 49°59′52″N 2°44′13″E / 49.9978°N 2.7369°E | |
| Country | France | 
| Region | Hauts-de-France | 
| Department | Somme | 
| Arrondissement | Péronne | 
| Canton | Albert | 
| Intercommunality | Pays du Coquelicot | 
| Government | |
| • Mayor (2020–2026) | Stéphane Brunel | 
| Area 1 | 10.25 km2 (3.96 sq mi) | 
| Population  (2022) | 268 | 
| • Density | 26/km2 (68/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code | 80505 /80300 | 
| Elevation | 68–135 m (223–443 ft) (avg. 73 m or 240 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Carnoy-Mametz (French pronunciation: [kaʁnwa mame]) is a commune in the Somme department in Hauts-de-France in northern France. It was established on 1 January 2019 by merger of the former communes of Mametz (the seat) and Carnoy.