The 2019–20 Southeastern Louisiana Lions basketball team represented Southeastern Louisiana University during the 2019–20 NCAA Division I men's basketball season.

The Lions were led by first-year head coach David Kiefer, and played their home games at the University Center in Hammond, Louisiana as members of the Southland Conference.

3 seed in the Southland tournament, they advanced to the semifinals, where they lost to Abilene Christian.

Former Lion assistant David Kiefer was hired as his replacement.

Roster Last update: September 20, 2019 2019–20 Southeastern Louisiana Lady Lions basketball team