The Flag of Diepholz, Germany, is a heraldic banner that represents this municipal town located in Lower Saxony, Germany. It features a white field with a red, six-pointed star in the center. The design symbolizes the union of three former independent towns: Diepholz, Bassum, and Schwarme. The flag does not bear the coat of arms of the district or any other external elements. Its usage is primarily ceremonial and serves to identify official institutions within Diepholz town boundaries.