Zogalavachay reservoir () is a reservoir located on the Zogalavachay river in the Shamakhi district of the Republic of Azerbaijan, in southwest of the city of Shamakhi.
The reservoir was commissioned in 1974. The total volume of the reservoir is 3.4 million mó, while the useful volume is 3 million mó.
The reservoir is used for irrigation and water supply, as well as for regulating the flow of the Zogalavachay river.
In 2012, a repair of the reservoir was carried out in accordance with modern requirements.