Langakiai (formerly Russian: Лангоки, Polish: Łangoki) is a village in Kėdainiai district municipality, in Kaunas County, in central Lithuania. According to the 2011 census, the village had a population of 196 people. It is located 4 kilometres (2.5 mi) from Čekiškė, by the Ringovė river. There is a library, a medicine station, a farm.

During the Soviet era Langakiai was the "Oak" kolkhoz center.

Historical population

Year Pop. ±% p.a. 1820 109 —     1902 66 −0.61% 1923 49 −1.41% 1959 99 +1.97% 1970 74 −2.61%	Year Pop. ±% p.a. 1979 208 +12.17% 1985 231 +1.76% 1989 257 +2.70% 2001 245 −0.40% 2011 196 −2.21%
Source: 1902, 1923, 1959 & 1970, 1979, 1989, 2001, 2011