Stensnäs herrgård, Manor house in Västervik Municipality, Sweden.

Stensnäs herrgård is a manor house in Ukna parish, at the northern end of Lake Storsjön. Its corps de logi has a two-storey central section with a five-window-wide frontispiece, a hipped mansard roof and a lantern, flanked by two single-storey, square-plan wings linked to the main block. The wings have round-arched ground-floor windows, straight upper windows and very shallow pyramidal roofs.

Stensnäs was held in the 16th century by Christoffer Andersson Grip, governor of Kalmar Castle, and his son Christoffer Grip; the main building's central section probably dates from the 1700s. From 1622 it belonged to the Gyllenstierna af Lundholmen family, from 1685 to the Lewenhaupt family, and from the mid-1700s to the Boije family. In 1782 the large estate was sold to Count L. Sparre, then to Charles Emil Lewenhaupt the Younger, and in 1824 passed by exchange to Baron Jan Carl Adelswärd. Through his daughter it came to Adolphe Stackelberg, the "reader count" of the Småland revival, and the estate, which included Överums bruk, was split up in 1891. It remains with the Stackelberg family.

Adolphe Stackelberg, called "the reader count", held Bible and prayer meetings here in the 1850s and 1860s, gathering the estate's dependants and becoming a leading figure of the Småland revival movement. The hall of the northern wing is where Count Reinhold Adolphe Louis Stackelberg held his meetings. The estate still belongs to the Stackelberg family, in 2020 Wolter Stackelberg.

A broad straight avenue of about 550 meters leads to the main building and connects to a dock on Lake Storsjön. The approach is relatively flat and the garden terraces offer pleasant walking with changing views toward the water.

The north wing's hall hosted Count Reinhold Adolphe Louis Stackelberg's revivalist prayer meetings in the mid-1800s; he was known as "läsargreven", the reading count. The estate also included the Överum ironworks before the property was split up in 1891.