Shannon Dunn-Downing (born November 26, 1972) is an American snowboarder and Olympic medalist.

She received a bronze medal in the halfpipe event at the 1998 Winter Olympics in Nagano, becoming the first American woman to win a medal in snowboarding.

[1] She finished 5th at the 2002 Winter Olympics in Salt Lake City.

She won a gold medal at the first Winter X Games in California 1997, and again in 2001.

Dunn-Downing started snowboarding in 1988 in Steamboat Springs, CO where she grew up, and began competing in the early 1990s.