Duncan Kennedy (born December 20, 1967) is an American luger who competed from 1979 to 1997.

He is best known for being the first American to win a Luge World Cup event when he won at the Sigulda track in November 1991 in Latvia.

Competing in three Winter Olympics, Kennedy earned his best finish of tenth in the men's singles event at Albertville in 1992.

During the 2002, 2006, 2010 and 2014 Winter Olympics Kennedy served as a television commentator for the luge competitions for NBC Sports in the United States.

This biographical article relating to luge in the United States is a stub.