| Şahağac | |
| Settlement Type: | Municipality |
| Pushpin Map: | Azerbaijan |
| Pushpin Mapsize: | 300 |
| Subdivision Type: | Country |
| Subdivision Name: |  Azerbaijan |
| Subdivision Type1: | Rayon |
| Subdivision Name1: | Astara |
| Population Total: | 4300 |
| Timezone: | AZT |
| Utc Offset: | +4 |
| Utc Offset Dst: | +5 |
| Coordinates: | 38.5892°N 48.8664°W |
Şahağac (also, Shakhagach and Sahagaci) is a village and municipality in the Astara Rayon of Azerbaijan. It has a population of 1000.