Germany competed at the 2009 World Championships in Athletics between August 15 and 23 as the host nation. A team of 92 athletes was announced in preparation for the competition, but then women's Marathon world leader Irina Mikitenko and hurdler Thomas Goller withdrew from the Championships. Mikitenko was replaced by Ulrike Maisch, the European Champion at the time. Selected athletes have achieved one of the competition's qualifying standards. In 2009, six out of the seven medallists for Germany from the 2007 competition competed, including the gold medallists Betty Heidler and Franka Dietzsch. Women's high jump world leader Ariane Friedrich and European record holders Christina Obergföll and Sebastian Bayer are among Germany's other aspiring medallists.
The following competitors from Germany won medals at the Championships.