The 2018–19 NJIT Highlanders men's basketball team represented the New Jersey Institute of Technology during the 2018–19 NCAA Division I men's basketball season.

The Highlanders, led by third-year head coach Brian Kennedy, played their home games at the Wellness and Events Center in Newark, New Jersey as members of the Atlantic Sun Conference (ASUN).

They defeated Florida Gulf Coast in the quarterfinals of the ASUN tournament before losing in the semifinals to Lipscomb.

They were invited to the CollegeInsider.com Tournament where they defeated Quinnipiac in the first round before losing in the quarterfinals to Hampton.

They lost in the quarterfinals of the ASUN tournament to North Florida.