Nelson W. Diebel (born November 9, 1970) is an American former competition swimmer, Olympic champion, and former world record-holder.

Nelson Diebel

Personal information
Full name	Nelson W. Diebel
National team	United States
Born	(1970-11-09) November 9, 1970 (age 53) Hinsdale, Illinois
Height	6 ft 0 in (1.83 m)
Weight	185 lb (84 kg)
Sport
Sport	Swimming
Strokes	Breaststroke
College team	Princeton University
Medal record Men's swimming Representing the United States Olympic Games 1992 Barcelona 100 m breaststroke 1992 Barcelona 4x100 m medley relay Pan Pacific Championships 1989 Tokyo 200 m breaststroke Pan American Games 1991 Havana 200 m breaststroke

Diebel won two gold medals at the 1992 Summer Olympics in Barcelona, Spain. First, he won the men's 100-meter breaststroke, setting a new Olympic record of 1:01.50 in the event final. Afterward, he swam the breaststroke leg for the winning U.S. team in the men's 4×100-meter medley relay, together with fellow Americans Jeff Rouse (backstroke), Pablo Morales (butterfly) and Jon Olsen (freestyle). In the event final, the four Americans matched the world record of 3:36.93 set by the U.S. team at the 1988 Summer Olympics.

Diebel attended the Peddie School in Hightstown, New Jersey.^[1] He enrolled in Princeton University, where he swam for the Princeton Tigers swim team under coach C. Rob Orr.^[2]