The 2019–20 Saint Joseph's Hawks basketball team represented Saint Joseph's University during the 2019–20 NCAA Division I men's basketball season.

The Hawks were led by first-year head coach Billy Lange, They played their home games at Hagan Arena in Philadelphia, Pennsylvania as members of the Atlantic 10 Conference.

They entered as the bottom seed in the 2020 Atlantic 10 men's basketball tournament.

10 seed in the A-10 tournament, they advanced to the quarterfinals, where they lost to Davidson.

On March 19, 2019, Phil Martelli was fired after 24 seasons as the head coach.