The 2012–13 Deutsche Eishockey Liga season was the 19th season since the founding of the Deutsche Eishockey Liga.

The playoff qualification was played between March 13 and 17, 2013 in a Best-of-three mode.

The quarterfinals were played between 20 March and 1 April 2013 in a Best-of-seven mode.

The semifinals were played between 3 and 12 April 2013 in a Best-of-five mode.

The final were played between 14 and 24 April 2013 in a Best-of-five mode.