The 2018–19 Saint Louis Billikens men's basketball team represented Saint Louis University in the 2018–19 NCAA Division I men's basketball season. Their head coach was Travis Ford in his third season at Saint Louis. The team played their home games at Chaifetz Arena as a member of the Atlantic 10 Conference. They finished the season 23–13, 10–8 in A-10 play to finish in a tie for sixth place. They defeated Richmond, Dayton, Davidson and St. Bonaventure to be champions of the A-10 tournament. They received the A-10's automatic bid to the NCAA tournament where they lost in the first round to Virginia Tech.