Friedrich Karlheinz Hermann Schreiber (born March 25, 1934) is a German and Canadian citizen, an industrialist, lobbyist, fundraiser, arms dealer and businessman. He has been in the news regarding his alleged role in the 1999 CDU contributions scandal in Germany, which damaged the political legacy of former Chancellor of Germany Helmut Kohl and involves the present Federal Minister of Finance of Germany Wolfgang Schäuble as well as the Airbus affair in Canada, which was linked through allegation to former Prime Minister of Canada Brian Mulroney. He was extradited to Germany on August 2, 2009.

Schreiber was born in Petersdorf, Thüringen. His family was working class and belonged to an evangelical Lutheran community. His mother was a cook and his father worked in upholstery.

Schreiber became a lobbyist and deal maker. He was a fund raiser for the Christian Democratic Union (CDU) and Christian Social Union in West Germany before and during Helmut Kohl's chancellorship. Schreiber stated in his Canadian House of Commons testimony on November 29, 2007 that he had been a lay judge, for nine years in Germany.