Derek Kern (born October 1, 1978) is an American former professional roller hockey and ice hockey player. Kern was a member of the United States national inline hockey team that competed at the 2007 and 2008 IIHF Men's InLine Hockey World Championships. Kern played professional roller hockey with the Mission Snipers.
Prior to turning professional, Kern attended the State University of New York at Oswego where he played four seasons of college hockey.
Kern played the 2004–05 season with the Kansas City Outlaws of the United Hockey League.
On January 24, 2009, Kern was signed by the Brooklyn Aces of the EPHL.
Kern is a New York City firefighter, who works at Engine co. 233 in Brooklyn.