Alexander Dück also spelled Dueck (born April 22, 1980) is a German former professional ice hockey defenceman. He most recently played with Ravensburg Towerstars of the DEL2. Dueck played a solitary season for the Hamburg Freezers during the 2010–11 season. He then returned to the Krefeld Pinguine for the following 2011–12 season on May 11, 2011.