The 2018–19 Deutsche Eishockey Liga season was the 25th season since the founding of the Deutsche Eishockey Liga running from 14 September 2018 to 30 April 2019. All 14 clubs from the previous year and the Löwen Frankfurt applied for a license. The season saw the same teams as last year, as all teams were given their license. After a points-per-game record during the regular season with 2,23 points per game, the Adler Mannheim won the title for their seventh time defeating EHC Red Bull München 4–1 in the finals.