Travenbrück (West Low German: Travenbrüch) is a municipality in the district of Stormarn, in Schleswig-Holstein, Germany.
The towns of Neverstaven, Nütschau, Schlamersdorf, Sühlen, Tralau and Vinzier are in the municipality.
The Nütschau Priory, a former manor of Heinrich Rantzau, is an outstanding feature of the municipality.
Tralau lies in the middle of the municipality, to the northeast Sühlen, the east Schlamersdorf, southeast Nütschau, the south Vinzier, and west Neverstaven.
A mansion built in 1894 by Alexander Jenisch, combines Renaissance Revival architecture with Art Nouveau.