Bartkūniškiai is a village in Kėdainiai district municipality, in Kaunas County, central Lithuania. It is located 3 km from Kėdainiai, by the Smilga and Klamputis rivers. According to the 2011 census, the village has a population of 71 people.

There are former folwark buildings and a park.

The Smilga River is near Bartkūniškiai.

Historical population

Year Pop. ±% p.a. 1902 18 —     1923 40 +3.88% 1959 10 −3.78% 1970 29 +10.16%	Year Pop. ±% p.a. 1979 91 +13.55% 1989 85 −0.68% 2001 71 −1.49% 2011 85 +1.82%
Source: 1902, 1923, 1959 & 1970, 1979, 1989, 2001, 2011