17
The Boston Celtics currently have the most with 17 championships,while the Lakers are right behind them with 15.
17 championships
None
none
The Boston Patriots haven't won any championships, but when they changed their name to the New England Patriots they won 3.
None
They have 17 championships Oh Yeah!
if im correct 17 or 18
The Boston Celtics have won 17 NBA championships.
Boston University has won the most Beanpot championships - 28
One
16