The 2023 Ivy League men's basketball tournament, popularly referred to as "Ivy Madness", was the postseason men's basketball tournament for the Ivy League of the 2022–23 NCAA Division I men's basketball season.

It was held on March 11 and 12, 2023, at the Jadwin Gymnasium on the campus of Princeton University in Princeton, New Jersey.

[1] The winner, the Princeton Tigers, received the Ivy League's automatic bid to the 2023 NCAA Tournament.

The top four teams in the Ivy League regular-season standings qualify for the tournament and are seeded according to their records in conference play, resulting in a Shaughnessy playoff.

If a tie for any of the top four positions exists, tiebreakers are applied in the following order: