Alksnupiai is a hamlet in Kėdainiai district municipality, in Kaunas County, in central Lithuania. According to the 2011 census, the hamlet was uninhabited. It is located 1 km from Miegėnai, by the Viešnautas river.

Historical population

Year Pop. ±% p.a. 1923 31 —     1959 21 −1.08% 1970 22 +0.42% 1979 9 −9.45%	Year Pop. ±% p.a. 1989 6 −3.97% 2001 3 −5.61% 2011 0 −100.00%
Source: 1902, 1923, 1959 & 1970, 1979, 1989, 2001, 2011