| Siecq | |
| Commune Status: | Commune |
| Arrondissement: | Saint-Jean-d'Angély |
| Canton: | Matha |
| Insee: | 17427 |
| Postal Code: | 17490 |
| Mayor: | Suzanne Favreau[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 45.83°N -0.1939°W |
| Elevation M: | 85 |
| Elevation Min M: | 66 |
| Elevation Max M: | 116 |
| Area Km2: | 11.66 |
Siecq (in French pronounced as /sjɛk/) is a commune in the Charente-Maritime department in southwestern France.