The 2023 Metro Atlantic Athletic Conference men's basketball tournament was the postseason men's basketball tournament for the Metro Atlantic Athletic Conference for the 2022–23 NCAA Division I men's basketball season.
The tournament was played March 7–11, 2023, at the Jim Whelan Boardwalk Hall in Atlantic City, New Jersey, for the fourth year in a row.
The defending champions were the Saint Peter's Peacocks.
The top five teams received byes to the quarterfinals.
Teams were seeded by record within the conference, with a tiebreaker system to seed teams with identical conference records.