Ostholstein-Mitte is an Amt ("collective municipality") in the district of Ostholstein, in Schleswig-Holstein, Germany. It is situated north of Neustadt in Holstein. The seat of the Amt is the village Schönwalde am Bungsberg.
The Amt Ostholstein-Mitte consists of the following municipalities (population in 2005 between brackets):
Coordinates: 54°11′15″N 10°45′15″E / 54.18750°N 10.75417°E