Mitch Reinke (born February 4, 1996) is an American professional ice hockey defenseman. He is currently playing for the San Antonio Rampage in the American Hockey League (AHL) as a prospect to the St. Louis Blues of the National Hockey League (NHL).
Reinke attended Stillwater High before playing junior hockey with the Cedar Rapids RoughRiders of the United States Hockey League (USHL).
He committed to play collegiate hockey with Michigan Tech of the Western Collegiate Hockey Association (WCHA). In his freshman season in 2016–17 season, Reinke developed a scoring touch and sound defensive game with 20 points in 41 games to earn a selection to the WCHA All-Rookie Team.
In the following 2017–18 season, Reinke notched a new career high with 24 points in 35 games before opting to end his collegiate career after his sophomore year in signing as an Undrafted free agent to a two-year, entry-level contract with the St. Louis Blues on March 26, 2018. Reinke was immediately added to the Blues roster and made his NHL debut with the Blues in a 6–0 defeat to the Arizona Coyotes on March 31, 2018.