Karl Friedrich Wilhelm Georg Wegener (May 31, 1863 – July 8, 1939) was a German geographer and explorer. He wrote a dissertation at the University of Marburg dealing with the orography of the Kunlun Mountains in China and took a teaching position at the Handelshochschule Berlin. He travelled throughout the world and wrote more than twenty books in addition to producing maps and atlases, making him one of the most prolific and prominent German geographers of his time. Late in his career, he led an effort to use airships for Polar exploration.