Dustin Douglas Molleken (born August 21, 1984) is a Canadian professional baseball pitcher in minor league baseball organization of the Colorado Rockies of Major League Baseball. Molleken has also competed for the Canadian national baseball team.
Molleken attended Cochrane High School and Lethbridge Community College in Lethbridge, Alberta.
He was drafted by the Pittsburgh Pirates in the 15th round (435th overall) of the 2003 MLB Draft.
Following the 2010 season, Molleken signed a minor league contract with the Colorado Rockies. He resigned with the Rockies after the 2011 season, receiving an invitation to spring training in 2012.
On July 22, 2013, Molleken signed a minor-league contract with the Milwaukee Brewers and reported to the teams AAA franchise in Nashville.
Molleken has played for the Canadian national baseball team. In 2011, he participated in the 2011 Baseball World Cup, winning the bronze medal, and the Pan American Games, winning the gold medal.