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

It belonged to the administrative municipality (Verwaltungsgemeinschaft) of Elbaue-Fläming.

Zemnick is a round village and lies about 19 km northeast of Lutherstadt Wittenberg.

After World War II, Zemnick was incorporated into the Province (since 1947, State) of Saxony-Anhalt from 1945 to 1952 and the Bezirk Cottbus of East Germany from 1952 to 1990.

Federal Highway (Bundesstraße) B 187 between Wittenberg and Jessen is about 5 km to the south.