The 2023–24 St. Thomas Tommies men's basketball team represented the University of St. Thomas in the 2023–24 NCAA Division I men's basketball season.

The Tommies, led by 13th-year head coach John Tauer, played their home games at Schoenecker Arena in Saint Paul, Minnesota as members of the Summit League.

As a result of this transition, the Tommies were not eligible for NCAA postseason play until 2026–27.

The Tommies participated in their second-ever Summit League men's basketball tournament, defeating North Dakota State in the quarterfinals[2] before falling to top-seeded South Dakota State in the semifinals.

They defeated Western Illinois in the quarterfinals,[5] and lost to Oral Roberts in the semifinals.