The 2018–19 Penn Quakers men's basketball team represented the University of Pennsylvania in the 2018–19 NCAA Division I men's basketball season. They played their home games at The Palestra in Philadelphia, Pennsylvania and were led by fourth-year head coach Steve Donahue. The Quakers finished the season 19–12, 7–7 in Ivy League play to finish in a three-way tie for fourth place. As the No. 4 seed in the Ivy League tournament, they lost in the semifinals to Harvard.