The 1990–91 New Orleans Privateers men's basketball team represented the University of New Orleans during the 1990–91 NCAA Division I men's basketball season.
The Privateers led by third-year head coach Tim Floyd, played their home games at Lakefront Arena and played as a member of the American South Conference.
They finished the season 23–8 (9–3 ASC) and tied for the regular season conference title with Arkansas State.
New Orleans lost in championship game of the American South Conference tournament, but earned a bid to the NCAA tournament as the No.
The Privateers would lose in the opening round to eventual National Runner-up Kansas, 55–49.