The 2023 Big Ten Conference men's ice hockey tournament was the ninth tournament in conference history. It was played between March 3 and March 18, 2023, on-campus locations. As the tournament winner, Michigan earned the Big Ten's automatic bid to the 2023 NCAA Division I men's ice hockey tournament.
The tournament featured a format with all games taking place on the campus of the higher-seeded teams. The tournament opened with three best-of-three quarterfinal series, as the second, third and fourth-seeded teams each hosting a series. The top-seeded team had a bye to the single-elimination semifinals. The highest-seeded team remaining after the semifinals hosted the championship game.
Teams were reseeded for the semifinals
<small>Note: * denotes overtime periods.</small>
<nowiki>*</nowiki> Most Outstanding Player