|Location||Kaniv (to the south), Cherkasy and Kiev Oblasts, Ukraine|
|Primary inflows||Dnieper River|
|Primary outflows||Dnieper River|
|Basin countries||Russia, Belarus, Ukraine|
|Max. length||162 km (101 mi)|
|Max. width||5 km (3.1 mi)|
|Surface area||675 km2 (261 sq mi)|
|Average depth||5.5 m (18 ft)|
|Water volume||2.6 km3 (2,100,000 acre·ft)|
|Surface elevation||87 m (285 ft)|
The Kaniv Reservoir (Ukrainian: Канівське водосховище, Kanivs'ke vodoskhovyshche) is a water reservoir located on the Dnieper River in Ukraine. Named after the city of Kaniv, it covers a total area of 675 square kilometres within the Cherkasy and Kiev Oblasts. It was created in 1972 following construction of the dams of the Kaniv Hydroelectric Power Plant on the Dnieper River.
The reservoir is 162 km long, up to 5 km wide, and has an average depth of 5.5 meters. The total water volume is 2.6 km³.