Ansainiai (formerly Russian: Ганусевичи, Polish: Hanusewicze) is a village in Kėdainiai district municipality, in Kaunas County, in central Lithuania. According to the 2011 census, the village had a population of 14 people. It is located 0.5 kilometres (0.31 mi) from Labūnava, on the shore of the Labūnava Reservoir. There is a memorial for exiled local inhabitants during the Soviet era.