Bajėniškis (formerly Russian: Баіонишки) is a village in Kėdainiai district municipality, in Kaunas County, in central Lithuania. According to the 2011 census, the village had a population of 2 people. It is located 2 kilometres (1.2 mi) from Aristava, on the shore of the Bubliai Reservoir, by the Aukupė rivulet. There is a cemetery.

Historical population

Year Pop. ±% p.a. 1902 23 —     1923 9 −4.37% 1959 25 +2.88% 1970 9 −8.87%	Year Pop. ±% p.a. 1979 12 +3.25% 1989 5 −8.38% 2001 2 −7.35% 2011 2 +0.00%
Source: 1902, 1923, 1959 & 1970, 1979, 1989, 2001, 2011