Mochau is a village and a former municipality in Wittenberg district in Saxony-Anhalt, Germany.

Since 1 January 2009, it is part of the town Wittenberg.

Mochau lies about 7 km north of Lutherstadt Wittenberg in the Fläming.

Federal Highway (Bundesstraße) B 2 between Wittenberg and Berlin is about 2 km to the east.

This Wittenberg district location article is a stub.