Eric Lee Shanteau (born October 1, 1983), is an American Olympic swimmer from Lilburn, Georgia. Shanteau now lives and trains in Austin, Texas.

Shanteau attended Parkview High School where he became a national swimming champion while maintaining a perfect 4.0 GPA. He swam collegiately at Auburn University, where he was an 11-time All American. At the 2003 World University Games, Shanteau won the silver medal in the 400m IM. At the 2005 World University Games, Shanteau won gold in both the 200m IM and 400m IM, making him the first American to sweep both events.

At the 2004 US Olympic Trials in Long Beach, California, Shanteau placed third in both the 200m IM and 400m IM, just missing a place on the Olympic roster in both events. Shanteau also placed 11th in the 200m breaststroke.