The 2018–19 Seton Hall Pirates men's basketball team represented Seton Hall University in the 2018–19 NCAA Division I men's basketball season.

They were led by ninth-year head coach Kevin Willard.

The Pirates played their home games at the Prudential Center in Newark, New Jersey and Walsh Gymnasium in South Orange, New Jersey as members of the Big East Conference.

In the Big East tournament, they defeated Georgetown in the Quarterfinals, Marquette in the semifinals before losing to Villanova in the championship.

They received a at-large bid to the NCAA Tournament where they lost in the First Round to Wofford.