| Sempy | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Sempy.svg |
| Arrondissement: | Montreuil |
| Canton: | Auxi-le-Château |
| Insee: | 62787 |
| Postal Code: | 62170 |
| Mayor: | Pascal Widehem[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC des 7 Vallées |
| Coordinates: | 50.4939°N 1.8789°W |
| Elevation M: | 41 |
| Elevation Min M: | 29 |
| Elevation Max M: | 130 |
| Area Km2: | 8 |
Sempy (in French pronounced as /sɑ̃pi/) is a commune in the Pas-de-Calais department in the Hauts-de-France region of France.[2]
Sempy is located 4 miles (6 km) southeast of Montreuil-sur-Mer on the D129 road, alongside the banks of the small Bras de Bronne river.