Karl Ritter

Karl Ritter may refer to:


 * Karl Ritter (diplomat) (1883–1968), German diplomat
 * Karl Ritter (director) (1888–1977), German film producer and director
 * Carl Ritter (1779–1859), German geographer
 * Karl Wilhelm Ritter (1847–1906), civil engineer and rector of the Polytechnic Institute of Zurich