'''Wettin''' may refer to:
*House of Wettin, a German Royal House *Wettin Castle, near Halle, Saxony-Anhalt, Germany, ancestral seat of the House of Wettin *Asteroid 90709 Wettin, named in the castle and House's honour *Wettin, Saxony-Anhalt, a town in Saxony-Anhalt, where Wettin Castle is located *Wettinus Augiensis (d. 824) *SMS ''Wettin'', a German pre-dreadnought battleship {{disambiguation}}