Longest NBA Title Streaks
Seasons finished top of the league in the same category, back to back, with no year missed. A run of 3 or more.
John Stockton led the NBA in total assists for 9 consecutive seasons, 1987 to 1995, the longest run in NBA history.
A title is a season finished first in a category, not an award, and a run ends the moment somebody else finishes first — a missed season through injury breaks it just as a rival's year does.