Erinn Smart (born January 12, 1980) is a U.S. fencer who is a member of the United States Fencing Team at the 2008 Summer Olympics in Beijing, where she is competing in the women's individual and team foil events. Smart is 5 feet, 7 inches tall, weighs 135 pounds, and is coached by Buckie Leach. Smart's brother Keeth is also a nationally ranked competitive fencer who also started fencing with the Peter Westbrook Foundation.
Smart graduated from Brooklyn Technical High School, as a chemistry major, in 1997. She attended Barnard College at Columbia University in Manhattan, graduating in 2001 with a degree in economics. She was recognized as an NCAA All-American at Columbia. She worked for Lord Abbett
, a financial firm, following the 2004 Olympics.
Smart was the United States National Champion in 1998, 2002, 2004 and 2008, and was ranked 11th at the 2003 World Championships. Both Smarts won at the 2004 U.S. Fencing National Championships in Atlanta, Georgia, with Erinn edging Hanna Thompson 13–11 in the semifinals, and then then defeating three-time former Olympian Ann Marsh by 15–7 in the tournament final to take the title.
Smart was selected as an alternate for the United States team at the 2000 Summer Olympics in Sydney, Australia, but did not participate in competition. She outpointed sisters Iris and Felicia Zimmerman to earn a spot on the United States team at the 2004 Summer Olympics in Athens, Greece.
Both Erinn and her brother Keeth were both part of the United States team at the 2008 Summer Olympics in Beijing, China. Both won silver medals in their team events.