| Qarasu | |
| Settlement Type: | Municipality |
| Pushpin Map: | Azerbaijan |
| Pushpin Mapsize: | 300 |
| Subdivision Type: | Country |
| Subdivision Name: |  Azerbaijan |
| Subdivision Type1: | Rayon |
| Subdivision Name1: | Hajigabul |
| Population Total: | 2407 |
| Timezone: | AZT |
| Utc Offset: | +4 |
| Utc Offset Dst: | +5 |
| Coordinates: | 40.1642°N 48.6778°W |
Qarasu (also, Gadzhiyevo and Karasu) is a village and municipality in the Hajigabul Rayon of Azerbaijan. "Qarasu" means "black water" in the Azerbaijani language. It has a population of 2,407.