The 1999 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 1999 NCAA tournament.
Connecticut finished with the best record in the regular season and was awarded the top seed.
Connecticut defeated St. John's in the final, 82–63 to earn its second consecutive Big East tournament championship, and fourth overall.
ESPN and ESPN2 Dave Gavitt Trophy (Most Outstanding Player): Kevin Freeman (basketball), Connecticut All-Tournament Team General: "2008-09 Big East Media Guide" (PDF).