Kūjėnai (formerly Russian: Куяны, Polish: Kujany) is a village in Kėdainiai district municipality, in Kaunas County, in central Lithuania. According to the 2011 census, the village had a population of 17 people. It is located 2 kilometres (1.2 mi) from Šventybrastis, nearby the Lančiūnava-Šventybrastis Forest.

Kūjėnai has been mentioned the first time by Hermann von Wartberge in 1372, when the village was raided by the Teutonic Order.

Kūjėnai was a folwark of the Zabielos family, and of the Černiauskai family later in the 19th century.

Historical population

Year Pop. ±% p.a. 1902 214 —     1923 258 +0.89% 1959 151 −1.48% 1970 90 −4.60%	Year Pop. ±% p.a. 1979 55 −5.32% 1989 23 −8.35% 2001 15 −3.50% 2011 17 +1.26%
Source: 1902, 1923, 1959 & 1970, 1979, 1989, 2001, 2011