Alfred George Kruger III (born 18 February 1979) is a male hammer thrower from the United States. His personal best is 79.26 metres, achieved in August 2004 in Berea.
He finished fourth at the 2006 IAAF World Cup. In addition, he competed at the 2004 Olympic Games, the 2005 World Championships, the 2007 World Championships, the 2008 Olympic Games, the 2009 World Championships, the 2012 Olympic Games and the 2013 World Championships without reaching the final.
He is from the same home town, Sheldon, Iowa, as Olympic gold medalist and University of Iowa wrestling coach Tom Brands. Kruger attended Morningside College in Sioux City, Iowa where he was a Division II student-athlete in both football and track and field. AG is the youngest child of Al and Linda Kruger. AG married his wife Laura in the fall of 2007. The two had their first child, a son, Alfred George Kruger IV in August 2011.