| Sainte-Croix-de-Mareuil | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Sainte-Croix-de-Mareuil.svg |
| Arrondissement: | Nontron |
| Canton: | Brantôme en Périgord |
| Insee: | 24394 |
| Postal Code: | 24340 |
| Mayor: | Josiane Boyer[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 45.4628°N 0.4261°W |
| Elevation M: | 120 |
| Elevation Min M: | 95 |
| Elevation Max M: | 192 |
| Area Km2: | 11.93 |
Sainte-Croix-de-Mareuil (pronounced as /fr/, literally Sainte-Croix of Mareuil; Limousin: Senta Crotz de Maruelh) is a commune in the Dordogne department in Nouvelle-Aquitaine in southwestern France.
The Lizonne forms part of the commune's northern border.