| Sainte-Croix-Grand-Tonne | |
| Arrondissement: | Caen |
| Canton: | Thue et Mue |
| Insee: | 14568 |
| Postal Code: | 14740 |
| Commune: | Thue et Mue |
| Coordinates: | 49.2325°N -0.5619°W |
| Elevation M: | 60 |
| Elevation Min M: | 34 |
| Elevation Max M: | 77 |
| Area Km2: | 5.26 |
| Population: | 319 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Sainte-Croix-Grand-Tonne (pronounced as /fr/) is a former commune in the Calvados department in the Normandy region in northwestern France. On 1 January 2017, it was merged into the new commune Thue et Mue.[2]