Võisiku is a village in Põltsamaa Parish, Jõgeva County, in central Estonia. It is located about 5 km southwest from the town of Põltsamaa. Võisiku has a population of 376 (as of 2010).

Võisiku Manor

Võisiku estate was first mentioned in 1558. The current building was constructed in the second half of the 18th century. A veranda was added at a later date. Timotheus Eberhard von Bock (1787-1836), about whom Jaan Kross has written one of his most well-known novels, The Czar's Madman, lived at Võisiku manor. Chess player and endgame composer Friedrich Amelung was born at Võisiku Manor in 1842.