Peter Krieg, born as Wilhelm Walter Gladitz (August 27, 1947 in Schwäbisch Gmünd, West Germany – July 22, 2009 in Berlin, Germany) was a documentary filmmaker, producer and writer. He initially enrolled in business and economics courses at Hamburg University but abandoned his studies to travel and teach horsemanship in Lebanon and Saudi Arabia. He later returned to Germany with his first wife, the American Heidi Knott, with whom he studied film at the German Film & TV Academy (DFFB) in Berlin and collaborated on his early works.

For September Wheat Krieg received the German Film Award and the Adolf Grimme Prize. Many of his films were internationally distributed. He has also produced documentary films of other filmmakers, such as Egyptian/German A'Wahed Askar.