The Bubliai Reservoir is an artificial lake in Kėdainiai District Municipality, central Lithuania.

It is located 5 kilometres (3.1 mi) east from Kėdainiai, next to Aristava village.

It was created in 1980, when a dam on the Obelis river had been built next to Bubliai village.

The Bubliai Reservoir is used for irrigation, fishery, and hydroelectric energy production.

The fish species inhabiting the reservoir are carp, pike, catfish, roach, and bream.