| Saint-Louis-et-Parahou | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Saint-Louis-et-Parahou (Aude).svg |
| Arrondissement: | Limoux |
| Canton: | La Haute-Vallée de l'Aude |
| Insee: | 11352 |
| Postal Code: | 11500 |
| Mayor: | Marielle Bastou[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 42.8483°N 2.3197°W |
| Elevation M: | 615 |
| Elevation Min M: | 519 |
| Elevation Max M: | 1007 |
| Area Km2: | 15.61 |
Saint-Louis-et-Parahou (in French pronounced as /sɛ̃ lwi e paʁau/; Languedocien: Sant Loís e Paraon) is a commune in the Aude department in southern France.