| Saint-Aquilin | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Saint-Aquilin (Dordogne).svg |
| Arrondissement: | Périgueux |
| Canton: | Vallée de l'Isle |
| Insee: | 24371 |
| Postal Code: | 24110 |
| Mayor: | Annie Dutilh-Lespinasse[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 45.1869°N 0.4944°W |
| Elevation M: | 140 |
| Elevation Min M: | 97 |
| Elevation Max M: | 232 |
| Area Km2: | 22.35 |
Saint-Aquilin (in French pronounced as /sɛ̃.t‿akilɛ̃/; Limousin: Sent Agulin) is a commune in the Dordogne department in Nouvelle-Aquitaine in southwestern France.