Marc Michaelis (born 31 July 1995) is a German professional ice hockey forward who is currently playing for Adler Mannheim in the Deutsche Eishockey Liga (DEL).

Undrafted, Michaelis originally played in his native Germany within the Adler Mannheim junior program, before moving to North America to continue his development in the North American Hockey League (NAHL) and United States Hockey League (USHL).

As an undrafted free agent and looking to embark on his professional career, Michaelis opted to sign a one-year, $700,000 contract with the Vancouver Canucks on March 20, 2020.

[1] In the pandemic delayed and shortened 2020–21 season, Michaelis made his Canucks debut on March 4, 2021, replacing an injured Elias Pettersson in a 3-1 win over the Toronto Maple Leafs.

[3] On June 28, 2022, Michaelis opted to pause his North American career in agreeing to a one-year contract as a free agent with Swiss club, SCL Tigers of the NL.