Wettin

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