Two. They won the 1974 championship against the Milwaukee Bucks and the 1976 championship against the Phoenix Suns.
The Boston Celtics currently have the most with 17 championships,while the Lakers are right behind them with 15.
The Boston Celtics have won 17 NBA championships.
17 championships
if im correct 17 or 18
16
The Celtics have won 17 NBA championships.
One
8. '59-'66
There are 32 teams.
2 championships. 1986 and 2008.
The Boston Celtics have 17 rings for the 17 NBA championships they have won.
17 championships