Lean Bergmann (born 4 October 1998) is a German professional ice hockey forward who is currently playing with Eisbären Berlin in the Deutsche Eishockey Liga (DEL).

[1] Following 2+1⁄2 seasons in the USHL with the Stampede and the Green Bay Gamblers, Bergmann was not selected in his eligible NHL Entry Draft years.

He returned to Germany to embark on his professional career, agreeing to a one-year contract with his hometown club, the Iserlohn Roosters of the top-tiered Deutsche Eishockey Liga (DEL) on 26 July 2018.

As the youngest DEL player to reach the 20-goal plateau, Bergman was signed in the midst of the campaign to a lucrative one-year contract with contending club Adler Mannheim for the 2019–20 season on 17 January 2019.

[3] In the off-season, before he could commence his contract with Championship-winning Adler Mannheim, Bergmann gained the interest of NHL teams as an undrafted prospect.