Schloss Oberpullendorf, Heritage protected château in Oberpullendorf, Austria.

Schloss Oberpullendorf, also known as the Rohonczy-Schloss, stands in the centre of Oberpullendorf in Austria's Burgenland. The building rests on a hook-shaped plan from the 17th century, and wall remnants about 150 cm thick survive from a presumed medieval predecessor. The Niczky family had it rebuilt in a castle-like form, and it was restored in the Historicist style in 1880. It now houses the Haus St. Stephan education and youth centre.

The castle received its first written documentation in 1752 and came under the ownership of the Rohonczy family during the 19th century. The family shaped the property's use for many decades afterward.

The name Rohonczy-Schloss comes from the Rohonczy family, who restored the building in 1880 in the Historicist style and lived in it until the early 20th century. The last resident, Baron György Rohonczy Gedeon (1885–1975), moved to Középpulya; today the house serves as Haus St. Stephan, an education and youth centre.

The castle stands in the centre of Oberpullendorf and now houses Haus St. Stephan, an education and youth centre run by the Diocese of Eisenstadt, so the interior is generally seen only during its organised activities. The building is a protected monument; visitors view the exterior and the surviving medieval wall remains of about 150 cm thickness from the street.

György Rohonczy, owner from 1921, took around 120 Roma and Romnja out of the Lackenbach detention and labour camp to work on the estate, which was classified as a war-essential operation; those he saved received proper housing and food and escaped transport to the extermination camps, and several later fled across the nearby border into Hungary.