The 2018–19 Saint Francis Red Flash men's basketball team represented Saint Francis University during the 2018–19 NCAA Division I men's basketball season.

The Red Flash, were led by seventh-year head coach Rob Krimmel, played their home games at DeGol Arena in Loretto, Pennsylvania as members of the Northeast Conference.

Due to tie breakers, they were the 1-seed in the 2019 Northeast Conference Men's Basketball Tournament.

The Red Flash defeated Bryant in the quarterfinals and LIU Brooklyn in the semifinals, yet lost in the championship game to Fairleigh Dickinson.

They lost in the quarterfinals of the NEC tournament to Fairleigh Dickinson.