The 1986–87 St. John's Redmen basketball team represented St. John's University during the 1986–87 NCAA Division I men's basketball season. The team was coached by Lou Carnesecca in his nineteenth year at the school. St. John's home games are played at Alumni Hall and Madison Square Garden and the team is a member of the Big East Conference.
 Lou Carnesecc coached in the 60s
Had to coach in the 60s to make it 19 seasons by 86