The 2015–16 DEL2 season was the third season since the founding of the DEL2, the second tier of German ice hockey, set below the Deutsche Eishockey Liga. The regular season started on 11 September 2015 and was completed on 1 March 2016, followed by the play-offs, which finished on 22 April 2016 with EC Kassel Huskies winning the league title.