The 1998 Big East men's basketball tournament took place at Madison Square Garden in New York City.
Its winner received the Big East Conference's automatic bid to the 1998 NCAA tournament.
Connecticut finished with the best record in the regular season and was awarded the top seed.
Connecticut defeated Syracuse in the final, 69–64 to earn its third Big East tournament championship.
Dave Gavitt Trophy (Most Outstanding Player): Khalid El-Amin, Connecticut All-Tournament Team