The 2017–18 Penn Quakers men's basketball team represented the University of Pennsylvania during the 2017–18 NCAA Division I men's basketball season.

The Quakers, led by third-year head coach Steve Donahue, played their home games at The Palestra as members of the Ivy League.

They finished the season 24–9, 12–2 in Ivy League play to win a share of the Ivy League regular season championship with Harvard.

They received the Ivy League's automatic bid to the NCAA tournament where they lost in the first round to Kansas.

They lost in the semifinals of the inaugural Ivy League tournament to Princeton.