Baldinka (formerly Russian: Балдынка) is a village in Kėdainiai district municipality, in Kaunas County, in central Lithuania. According to the 2011 census, the village had a population of 4 people. It is located 1 kilometre (0.62 mi) from Beinaičiai, between the Aukupis and the Gegužinė rivulets, nearby the Šilainiai quarry.