The ruins of Streitburg Castle (German: Burgruine Streitburg or Streitberg Castle (Burgruine Streitberg) are the remains of a high mediaeval aristocratic castle above the village of Streitberg, in the market borough of Wiesenttal in the Upper Franconian county of Forchheim in the German state of Bavaria.

They lie directly opposite the ruins of Neideck Castle, the symbol of Franconian Switzerland, on the other side of the valley.

The ruins of the spur castle are located at a height of 403.7 m above sea level (NN)[1] on a rocky southwest-pointing hill, the Streitberg, above the eponymous village, which is bounded to the south and west by the Wiesent river and to the west by the valley of Schauertal.

The ruins may be reached on footpaths from the village or the surrounding area.

About 250 metres southwest and above the Neideck is the site of Wartleiten Castle, in the area of the present cemetery in Niederfellendorf is a castle site of the Fellendorfs and on the Hummerstein above Gasseldorf an early mediaeval burgstall.