Tostedt (Low German Töst) is a municipality in the district of Harburg, in Lower Saxony, Germany.

It is the central administration of the collective municipality (Samtgemeinde Tostedt) which consists of 9 joint communities.

Even today Tostedt is the place of a local court with jurisdiction of the trade register for the entire region of the Elbe-Weser triangle.

In the house of the old post office Am Sande, where the horses were changed by the stagecoaches, the French Emperor Napoleon once stayed for a stop over.

The trails E1 European long distance path, Heidschnuckenweg, Freudenthalweg and Heidepuzzle-trail pass by in the eastern forest area Lohbergen Tostedt on the Bundesstraße 75 near the Highway A1 was once a stopover for stagecoaches between Hamburg and Bremen.

The Tostedt station is a stopover of metronome railway company from Hamburg to Bremen.