Schloss Rammelburg, Medieval château in Mansfeld, Germany

Schloss Rammelburg is a château in Rammelburg, part of Mansfeld in Saxony-Anhalt, formed by a castle-like conversion of a medieval castle. Grey stone walls with sections of red and brown half-timbering enclose an irregular courtyard. A tall round tower with a domed roof stands on the left, two smaller domed round towers near the centre, a square tower with a steep pyramidal roof at the rear and a slender conical-roofed tower on the right, all under dark grey slate roofs with numerous dormer windows. The left wing has a white-painted lower storey with red-framed windows.

The site dates back to 992, when it was founded under King Otto III, though it first appeared in written records in 1259. Over the following centuries it was rebuilt several times, gradually changing from a military fort into a residential building.

The castle chapel was established in 1575 at the initiative of David von Mansfeld, and Ernst von Friesen had it renewed in 1829. The name Rammelburg passed from the fortress to the surrounding village, which today belongs to the town of Mansfeld. The complex is listed as a cultural monument under the name "Burg" with the description "Schloss Rammelburg".

The castle is in private ownership and closed to visitors inside; the wings, towers and courtyard layout can be viewed from outside. The complex stands in the village of Rammelburg, part of the town of Mansfeld in Saxony-Anhalt. The state monument list records it as a cultural monument under the name "Burg" with the description "Schloss Rammelburg".

The 1894 fire destroyed the west facade down to its foundations and killed people; Kurt von Heimburg rebuilt it in 1903–1904 to designs by Berlin architect Ernst von Ihne, who also worked on the Berlin State Library and the Bode Museum. The slate roofs of the west and north-west wings and the south tower were re-covered from 1998, and parquet floors there were restored.