Friedrich Wilhelm Gustav Bruhn (born November 11, 1853 in Lübeck; died 1927 in Berlin) was a German inventor.
Bruhn invented modern taximeter in Berlin. He worked for German company Westendarp & Pieper Hamburg. In 1920 he became leader of this company. Bruhn was married and had three children. His daughter Adele married architect Ludwig Mies van der Rohe. His son Wolfgang Bruhn was an art historian.