| Croix-Fonsomme | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Croix-Fonsommes 02.svg |
| Arrondissement: | Saint-Quentin |
| Canton: | Bohain-en-Vermandois |
| Insee: | 02240 |
| Postal Code: | 02110 |
| Mayor: | Lilian Morlet[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Pays du Vermandois |
| Coordinates: | 49.9217°N 3.4031°W |
| Elevation M: | 95 |
| Elevation Min M: | 85 |
| Elevation Max M: | 147 |
| Area Km2: | 9.37 |
Croix-Fonsomme (pronounced as /fr/) is a commune in the Aisne department in Hauts-de-France in northern France.
In March, 2011, it changed its name from Croix-Fonsommes to Croix-Fonsomme.[2]